Download Geometry M2: Unit 3 Practice Exam

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts

Pythagorean theorem wikipedia , lookup

Trigonometric functions wikipedia , lookup

Transcript
Name: ________________________ Class: ___________________ Date: __________
ID: A
Geometry M2: Unit 3 Practice Exam
Short Answer
1. In triangle ABC, A is a right angle and mB  45. Find BC. If your answer is not an integer, leave it in
simplest radical form.
2. Find the length of the leg. If your answer is not an integer, leave it in simplest radical form.
3. Find the lengths of the missing sides in the triangle. Write your answers as integers or as decimals rounded to
the nearest tenth.
4. Find the value of the variable. If your answer is not an integer, leave it in simplest radical form.
1
Name: ________________________
ID: A
5. The area of a square garden is 242 m2. How long is the diagonal?
6. Quilt squares are cut on the diagonal to form triangular quilt pieces. The hypotenuse of the resulting triangles is
10 inches long. What is the side length of each piece?
7. The length of the hypotenuse of a 30°–60°–90° triangle is 4. Find the perimeter.
Find the value of the variable(s). If your answer is not an integer, leave it in simplest radical form.
8.
9.
Not drawn to scale
10.
11. A piece of art is in the shape of an equilateral triangle with sides of 13 in. Find the area of the piece of art.
Round your answer to the nearest tenth.
12. A sign is in the shape of a rhombus with a 60° angle and sides of 9 cm long. Find its area to the nearest tenth.
2
Name: ________________________
ID: A
13. A conveyor belt carries supplies from the first floor to the second floor, which is 24 feet higher. The belt makes
a 60° angle with the ground.
How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the nearest
foot.
If the belt moves at 75 ft/min, how long, to the nearest tenth of a minute, does it take the supplies to move to the
second floor?
14. Find the missing value to the nearest hundredth.
15. Find the missing value to the nearest hundredth.
16. Find the missing value to the nearest hundredth.
17. Write the tangent ratios for Y and Z.
18. Write the tangent ratios for P and Q.
3
Name: ________________________
ID: A
19. Write the ratios for sin A and cos A.
Use a trigonometric ratio to find the value of x. Round your answer to the nearest tenth.
20.
21.
Find the value of x. Round to the nearest tenth.
22.
4
Name: ________________________
ID: A
23.
24.
25.
26. Viola drives 170 meters up a hill that makes an angle of 6 with the horizontal. To the nearest tenth of a meter,
what horizontal distance has she covered?
Find the value of x. Round to the nearest degree.
27.
5
Name: ________________________
ID: A
28.
Find the value of x to the nearest degree.
29.
30.
What is the description of 2 as it relates to the situation shown?
Find the value of x. Round the length to the nearest tenth.
31.
6
Name: ________________________
ID: A
32.
33.
34.
35.
7
Name: ________________________
ID: A
36. To approach the runway, a pilot of a small plane must begin a 9 descent starting from a height of 1125 feet
above the ground. To the nearest tenth of a mile, how many miles from the runway is the airplane at the start of
this approach?
Find the area of the trapezoid. Leave your answer in simplest radical form.
37.
38.
39.
8
Name: ________________________
ID: A
40. What is the area of the kite?
41. A kite has diagonals 9.2 ft and 8 ft. What is the area of the kite?
42. Find the area of the rhombus. Leave your answer in simplest radical form.
43. Find the area of the rhombus.
9
Name: ________________________
ID: A
The figures are similar. Give the ratio of the perimeters and the ratio of the areas of the first figure to the
second. The figures are not drawn to scale.
44.
45.
46. The widths of two similar rectangles are 16 cm and 14 cm. What is the ratio of the perimeters? Of the areas?
47. The trapezoids are similar. The area of the smaller trapezoid is 558 m2 . Find the area of the larger trapezoid to
the nearest whole number.
48. The area of a regular octagon is 35 cm 2 . What is the area of a regular octagon with sides three times as long?
10
Name: ________________________
ID: A
49. The triangles are similar. The area of the larger triangle is 1589 ft 2 . Find the area of the smaller triangle to the
nearest whole number.
50. Hiram raises earthworms. In a square of compost 4 ft by 4 ft, he can have 1000 earthworms. How many
earthworms can he have if his square of compost has a side length that is 7 times longer?
51. Find the similarity ratio and the ratio of perimeters for two regular pentagons with areas of 49 cm2 and
169 cm2 .
11
ID: A
Geometry M2: Unit 3 Practice Exam
Answer Section
SHORT ANSWER
1. ANS:
11 2 ft
PTS:
OBJ:
STA:
TOP:
DOK:
2. ANS:
8 2
1
DIF: L2
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
8-2 Problem 1 Finding the Length of the Hypotenuse
KEY: special right triangles
DOK 1
PTS: 1
DIF: L3
REF: 8-2 Special Right Triangles
OBJ: 8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
STA: MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
TOP: 8-2 Problem 2 Finding the Length of a Leg
KEY: special right triangles | hypotenuse | leg
DOK: DOK 1
3. ANS:
x = 9.9, y = 7
PTS:
OBJ:
STA:
TOP:
KEY:
4. ANS:
1
DIF: L4
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
8-2 Problem 2 Finding the Length of a Leg
special right triangles | hypotenuse | leg
DOK: DOK 1
5 2
2
PTS:
OBJ:
STA:
TOP:
KEY:
5. ANS:
22 m
PTS:
OBJ:
STA:
KEY:
1
DIF: L3
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
8-2 Problem 2 Finding the Length of a Leg
special right triangles | hypotenuse | leg
DOK: DOK 1
1
DIF: L4
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
TOP: 8-2 Problem 3 Finding Distance
special right triangles | diagonal
DOK: DOK 2
1
ID: A
6. ANS:
5 2
PTS:
OBJ:
STA:
KEY:
7. ANS:
6+2
1
DIF: L3
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
TOP: 8-2 Problem 3 Finding Distance
special right triangles | word problem
DOK: DOK 2
PTS:
OBJ:
STA:
TOP:
DOK:
8. ANS:
6 3
1
DIF: L4
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
8-2 Problem 4 Using the Length of One Side
KEY: special right triangles | perimeter
DOK 3
3
PTS: 1
DIF: L2
REF: 8-2 Special Right Triangles
OBJ: 8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
STA: MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
TOP: 8-2 Problem 4 Using the Length of One Side
KEY: special right triangles | leg | hypotenuse
DOK: DOK 2
9. ANS:
x = 30, y = 10 3
PTS:
OBJ:
STA:
TOP:
KEY:
10. ANS:
x = 17
1
DIF: L3
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
8-2 Problem 4 Using the Length of One Side
special right triangles | leg | hypotenuse
DOK: DOK 2
PTS:
OBJ:
STA:
TOP:
KEY:
1
DIF: L3
REF: 8-2 Special Right Triangles
8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
8-2 Problem 4 Using the Length of One Side
special right triangles | leg | hypotenuse
DOK: DOK 2
3 , y = 34
2
ID: A
11. ANS:
73.2 in.2
PTS: 1
DIF: L2
REF: 8-2 Special Right Triangles
OBJ: 8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
STA: MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
TOP: 8-2 Problem 5 Applying the 30º-60º-90º Triangle Theorem
KEY: area of a triangle | word problem | problem solving
DOK: DOK 2
12. ANS:
70.1 cm2
PTS: 1
DIF: L3
REF: 8-2 Special Right Triangles
OBJ: 8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
STA: MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
TOP: 8-2 Problem 5 Applying the 30º-60º-90º Triangle Theorem
KEY: rhombus | word problem | problem solving
DOK: DOK 2
13. ANS:
28 ft; 0.4 min
PTS: 1
DIF: L4
REF: 8-2 Special Right Triangles
OBJ: 8-2.1 Use the properties of 45°-45°-90° and 30°-60°-90° triangles
STA: MA.912.G.5.1| MA.912.G.5.3| MA.912.G.5.4
TOP: 8-2 Problem 5 Applying the 30º-60º-90º Triangle Theorem
KEY: special right triangles | multi-part question | word problem | problem solving
DOK: DOK 3
14. ANS:
89.33
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 3 Using Inverses
KEY: angle measure using tangent
DOK: DOK 1
15. ANS:
60
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 3 Using Inverses
KEY: angle measure using cosine
DOK: DOK 1
16. ANS:
4.59
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 3 Using Inverses
KEY: angle measure using sine
DOK: DOK 1
3
ID: A
17. ANS:
tan Y 
3
5
; tan Z 
5
3
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 1 Writing Trigonometric Ratios
KEY: leg adjacent to angle | leg opposite angle | tangent | tangent ratio
DOK: DOK 1
18. ANS:
20
21
tan P 
; tan Q 
21
20
PTS: 1
DIF: L2
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 1 Writing Trigonometric Ratios
KEY: tangent ratio | tangent | leg opposite angle | leg adjacent to angle
DOK: DOK 1
19. ANS:
3
4
sin A  , cos A 
5
5
PTS: 1
DIF: L2
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 1 Writing Trigonometric Ratios
KEY: sine | cosine | sine ratio | cosine ratio
DOK: DOK 1
20. ANS:
24.7
PTS: 1
DIF: L2
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance
KEY: side length using tangent | tangent | tangent ratio
DOK: DOK 2
21. ANS:
4
PTS: 1
DIF: L2
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance
KEY: side length using tangent | tangent | tangent ratio
DOK: DOK 2
4
ID: A
22. ANS:
12.5
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance
KEY: cosine | side length using sine and cosine | cosine ratio
DOK: DOK 2
23. ANS:
8.1
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance
KEY: cosine | side length using sine and cosine | cosine ratio
DOK: DOK 2
24. ANS:
31.4
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance
KEY: sine | side length using sine and cosine | sine ratio
DOK: DOK 2
25. ANS:
6.2
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance
KEY: sine | side length using sine and cosine | sine ratio
DOK: DOK 2
26. ANS:
169.1 m
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 2 Using a Trigonometric Ratio to Find Distance
KEY: cosine | word problem | side length using sine and cosine | problem solving | cosine ratio
DOK: DOK 2
5
ID: A
27. ANS:
44
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 3 Using Inverses
KEY: inverse of cosine and sine | angle measure using sine and cosine | cosine
DOK: DOK 2
28. ANS:
35
PTS: 1
DIF: L3
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 3 Using Inverses
KEY: inverse of cosine and sine | angle measure using sine and cosine | sine
DOK: DOK 2
29. ANS:
60
PTS: 1
DIF: L2
REF: 8-3 Trigonometry
OBJ: 8-3.1 Use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right
triangles
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-3 Problem 3 Using Inverses
KEY: inverse of tangent | tangent | tangent ratio | angle measure using tangent
DOK: DOK 2
30. ANS:
2 is the angle of elevation from the radar tower to the airplane.
PTS:
OBJ:
STA:
TOP:
KEY:
31. ANS:
8.6 m
1
DIF: L2
REF: 8-4 Angles of Elevation and Depression
8-4.1 Use angles of elevation and depression to solve problems
MA.912.G.5.4| MA.912.T.2.1
8-4 Problem 1 Identifying Angles of Elevation and Depression
angles of elevation and depression DOK: DOK 1
PTS:
OBJ:
STA:
KEY:
32. ANS:
7.9 ft
1
DIF: L3
REF: 8-4 Angles of Elevation and Depression
8-4.1 Use angles of elevation and depression to solve problems
MA.912.G.5.4| MA.912.T.2.1
TOP: 8-4 Problem 2 Using the Angle of Elevation
sine | side length using sine and cosine | sine ratio
DOK: DOK 2
PTS:
OBJ:
STA:
KEY:
1
DIF: L3
REF: 8-4 Angles of Elevation and Depression
8-4.1 Use angles of elevation and depression to solve problems
MA.912.G.5.4| MA.912.T.2.1
TOP: 8-4 Problem 2 Using the Angle of Elevation
cosine | side length using sine and cosine | cosine ratio
DOK: DOK 2
6
ID: A
33. ANS:
9.2 cm
PTS: 1
DIF: L3
REF: 8-4 Angles of Elevation and Depression
OBJ: 8-4.1 Use angles of elevation and depression to solve problems
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-4 Problem 2 Using the Angle of Elevation
KEY: tangent | side length using tangent | tangent ratio
DOK: DOK 2
34. ANS:
1151.8 m
PTS: 1
DIF: L3
REF: 8-4 Angles of Elevation and Depression
OBJ: 8-4.1 Use angles of elevation and depression to solve problems
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-4 Problem 3 Using the Angle of Depression
KEY: sine | side length using sine and cosine | sine ratio | angles of elevation and depression
DOK: DOK 2
35. ANS:
10.4 yd
PTS:
OBJ:
STA:
KEY:
DOK:
36. ANS:
1.4 mi
1
DIF: L3
REF: 8-4 Angles of Elevation and Depression
8-4.1 Use angles of elevation and depression to solve problems
MA.912.G.5.4| MA.912.T.2.1
TOP: 8-4 Problem 3 Using the Angle of Depression
tangent | side length using tangent | tangent ratio | angles of elevation and depression
DOK 2
PTS: 1
DIF: L3
REF: 8-4 Angles of Elevation and Depression
OBJ: 8-4.1 Use angles of elevation and depression to solve problems
STA: MA.912.G.5.4| MA.912.T.2.1
TOP: 8-4 Problem 3 Using the Angle of Depression
KEY: side length using sine and cosine | word problem | problem solving | sine | angles of elevation and
depression | sine ratio
DOK: DOK 2
37. ANS:
91 cm2
PTS:
OBJ:
TOP:
DOK:
38. ANS:
32 3
PTS:
OBJ:
TOP:
DOK:
1
DIF: L3
REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites
10-2.1 Find the area of a trapezoid, rhombus, or kite
STA: MA.912.G.2.5| MA.912.G.2.7
10-2 Problem 1 Area of a Trapezoid
KEY: area | trapezoid
DOK 2
ft2
1
DIF: L3
REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites
10-2.1 Find the area of a trapezoid, rhombus, or kite
STA: MA.912.G.2.5| MA.912.G.2.7
10-2 Problem 2 Finding Area Using a Right Triangle
KEY: area | trapezoid
DOK 2
7
ID: A
39. ANS:
84 ft2
PTS:
OBJ:
TOP:
DOK:
40. ANS:
90 ft2
1
DIF: L3
REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites
10-2.1 Find the area of a trapezoid, rhombus, or kite
STA: MA.912.G.2.5| MA.912.G.2.7
10-2 Problem 2 Finding Area Using a Right Triangle
KEY: area | trapezoid
DOK 2
PTS: 1
DIF: L3
REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites
OBJ: 10-2.1 Find the area of a trapezoid, rhombus, or kite
STA: MA.912.G.2.5| MA.912.G.2.7
TOP: 10-2 Problem 3 Finding the Area of a Kite
KEY: area | kite
DOK: DOK 2
41. ANS:
36.8 ft2
PTS:
OBJ:
TOP:
DOK:
42. ANS:
50 3
1
DIF: L3
REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites
10-2.1 Find the area of a trapezoid, rhombus, or kite
STA: MA.912.G.2.5| MA.912.G.2.7
10-2 Problem 3 Finding the Area of a Kite
KEY: area | kite
DOK 2
PTS: 1
DIF: L3
REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites
OBJ: 10-2.1 Find the area of a trapezoid, rhombus, or kite
STA: MA.912.G.2.5| MA.912.G.2.7
TOP: 10-2 Problem 4 Finding the Area of a Rhombus
KEY: rhombus | diagonal | area
DOK: DOK 2
43. ANS:
128 m2
PTS:
OBJ:
TOP:
DOK:
44. ANS:
8
and
3
PTS:
OBJ:
STA:
TOP:
DOK:
1
DIF: L3
REF: 10-2 Areas of Trapezoids, Rhombuses, and Kites
10-2.1 Find the area of a trapezoid, rhombus, or kite
STA: MA.912.G.2.5| MA.912.G.2.7
10-2 Problem 4 Finding the Area of a Rhombus
KEY: area | rhombus
DOK 2
64
9
1
DIF: L3
REF: 10-4 Perimeters and Areas of Similar Figures
10-4.1 Find the perimeters and areas of similar polygons
MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
10-4 Problem 1 Finding Ratios in Similar Figures
KEY: perimeter | area | similar figures
DOK 1
8
ID: A
45. ANS:
5 : 6 and 25 : 36
PTS: 1
DIF: L3
REF: 10-4 Perimeters and Areas of Similar Figures
OBJ: 10-4.1 Find the perimeters and areas of similar polygons
STA: MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
TOP: 10-4 Problem 1 Finding Ratios in Similar Figures
KEY: perimeter | area | similar figures
DOK: DOK 1
46. ANS:
8 : 7 and 64 : 49
PTS:
OBJ:
STA:
TOP:
DOK:
47. ANS:
1
DIF: L3
REF: 10-4 Perimeters and Areas of Similar Figures
10-4.1 Find the perimeters and areas of similar polygons
MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
10-4 Problem 1 Finding Ratios in Similar Figures
KEY: perimeter | area | similar figures
DOK 2
3147 m 2
PTS:
OBJ:
STA:
TOP:
DOK:
48. ANS:
1
DIF: L2
REF: 10-4 Perimeters and Areas of Similar Figures
10-4.1 Find the perimeters and areas of similar polygons
MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
10-4 Problem 2 Finding Areas Using Similar Figures
KEY: similar figures | area | trapezoid
DOK 2
315 cm2
PTS:
OBJ:
STA:
TOP:
DOK:
49. ANS:
1
DIF: L4
REF: 10-4 Perimeters and Areas of Similar Figures
10-4.1 Find the perimeters and areas of similar polygons
MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
10-4 Problem 2 Finding Areas Using Similar Figures
KEY: similar figures | area
DOK 2
1217 ft 2
PTS:
OBJ:
STA:
TOP:
DOK:
1
DIF: L3
REF: 10-4 Perimeters and Areas of Similar Figures
10-4.1 Find the perimeters and areas of similar polygons
MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
10-4 Problem 2 Finding Areas Using Similar Figures
KEY: similar figures | area
DOK 2
9
ID: A
50. ANS:
49,000
PTS: 1
DIF: L3
REF: 10-4 Perimeters and Areas of Similar Figures
OBJ: 10-4.1 Find the perimeters and areas of similar polygons
STA: MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
TOP: 10-4 Problem 3 Applying Area Ratios
KEY: similar figures | area | word problem
DOK: DOK 2
51. ANS:
7 : 13; 7 : 13
PTS:
OBJ:
STA:
TOP:
DOK:
1
DIF: L3
REF: 10-4 Perimeters and Areas of Similar Figures
10-4.1 Find the perimeters and areas of similar polygons
MA.912.G.2.3| MA.912.G.2.5| MA.912.G.2.7| MA.912.G.4.4
10-4 Problem 4 Finding Perimeter Ratios
KEY: similar figures | similarity ratio
DOK 2
10