Download Geometry Unit 2 Reflection

2-D Geometry Unit Reflection
Name: _________________________________________
I can use a protractor to measure angles.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
Find the measure of each angle.
A
C
1. Angle ABC
2. Angle ABD
3. Angle DBC
B
D
I can use a ruler to measure line segments.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
Measure each segment to the nearest 16th of an inch and to the nearest millimeter.
1.
2.
3.
I can explain the relationships of angles formed by a transversal.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
1. Name the pairs of alternate interior angles.
2. Name the pairs of vertical angles.
11
12
13
10
3. Name the pairs of corresponding angles.
15
14
4. Name the pairs of same-side interior angles.
17
16
5. Name the pairs of alternate exterior angles.
6. If angle 10 measures 72 degrees, use the relationships between the angles to determine the measure of each
other angle in the figure.
I can classify triangles.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
Name each triangle below (name them according to their sides and angles).
1.
2.
3.
I can use the Pythagorean Theorem.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
Find the length of the given side in each right triangle.
1.
2. a = 23
b=?
c = 45
c
12
16
I can find the missing angle measure in a polygon.
_____ Got it!
_____ Almost there, but I have some questions.
1.
_____ What the heck is this?
2.
45o
o
80
xo
(90+x)o (2x+45)o
xo
60o
I can find the perimeter of a 2-dimentional object.
_____ Got it!
_____ Almost there, but I have some questions.
Find the perimeter of each object.
1.
12
3.
_____ What the heck is this?
2.
5
5
4.
5
15
9
5
8
8
5
15
I can find the measures of the interior and exterior angles of polygons.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
1. What is the sum of the measures of the interior angles of a regular hexagon?
2. What is the measure of one interior angle of a regular hexagon?
3. What is the sum of the measures of the exterior angles of any regular polygon?
4. What is the measure of one exterior angle of a regular nonagon?
xo
5. Find the missing angle measure in the following polygon.
150o
40o
I can find the area of a 2-dimensional object.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
Find the area of each figure.
1.
2.
8
9
24
12
3.
24
4.
11
9
10
30
12
5.
4
6.
9
9
5
25
7.
9
20
I can translate an object on the coordinate plane.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
1. Describe the translation.
A
A’
2. Translate the object using the coordinates
of translation (-3,2). List the new coordinates
of each vertex.
I can reflect an object on the coordinate plane.
_____ Got it!
_____ Almost there, but I have some questions.
1. Reflect the object across the x-axis. List the
coordinates of the reflected vertices.
2. Reflect the original object across the y-axis. List
the coordinates of the reflected vertices.
_____ What the heck is this?
I can rotate an object on the coordinate plane.
_____ Got it!
_____ Almost there, but I have some questions.
_____ What the heck is this?
1. Rotate the object 90o counter-clockwise. List the
coordinates of the rotated object.
2. Rotate the original object 180o. List the coordinates
of the rotated object.
I can identify symmetry in objects.
_____ Got it!
_____ Almost there, but I have some questions.
Draw all lines of symmetry in the figures below.
1.
2.
Do the figures above have rotational symmetry? What degree?
1.
2.
_____ What the heck is this?