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NAME ___________________________________________________ DATE _____________________ PERIOD __________
Test, Form 2A
Write the letter for the correct answer in the blank at the right of
each question.
In the figure at the right, p||q and t is a transversal.
Use the figure for Exercises 1 and 2.
1. If m∠5 = 128°, find m∠2.
A. 38°
B. 52°
t
2
1
3
8
4
5
7
6
p
C. 108°
D. 128°
q
1.
2.
3. The measures of the angles of a triangle are in the ratio 4:5:9.
What are the angle measures of the triangle?
A. 4°, 5°, 9°
C. 30°, 50°, 150°
B. 20°, 25°, 36°
D. 40°, 50°, 90°
3.
4. The measures of the angles of a triangle are in the ratio 3:4:5.
Classify the triangle.
F. right, scalene
H. acute, scalene
G. right, isosceles
J. obtuse, isosceles
4.
5. Classify the polygon shown.
A. pentagon
B. octagon
5.
C. hexagon
D. heptagon
6. Find the sum of the measures of the interior angles of a polygon
with six sides.
F. 1080°
G. 720°
H. 700°
J. 600°
7. Find the coordinates of C´ if Δ ABC, shown on
the coordinate plane, is reflected over the y-axis.
A. (2, -1)
C. (-2, -1)
B. (-2, 1)
D. (2, 1)
6.
y
B
x
O
C
A
7.
8. Triangle TUZ has vertices T(2, 0), U(1, -2), and Z(2, 1). The triangle
is rotated 90° clockwise about vertex Z. What are the coordinates of
vertex U´?
F. (-1, -2)
G. (-1, 2)
H. (-1, 1)
J. (1, 1)
272
8.
Math Accelerated • Chapter 11 Congruence, Similarity, and Transformations
Program: Pre-Algebra
Component: C11_CT
Vendor: Aptara
Grade: AM
PDF_Pages
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
2. If m∠6 = (3x - 13)° and m∠8 = (2x - 5)°, what is the value of x?
F. 5
G. 6
H. 8
J. 20
NAME ___________________________________________________ DATE _____________________ PERIOD __________
Test, Form 2A
(continued)
9. Triangle XYZ has vertices X(6, 0), Y(4, -4), and Z(8, -4).
The vertices of the image are X´(6, 0), Y´(4, 4), and Z´(8, 4).
Which statement describes this transformation?
A. translation 4 units down
B. translation 4 units up
C. reflection over the y-axis
D. reflection over the x-axis
9.
10. Triangle QRS has vertices Q(0, 0), R(2, 0), and S(2, 3). The triangle
is translated up 3 units and then reflected across the y-axis. The vertices of the image are Q´(0, 3), R´(-2, 3), and S´(-2, 6).
Which statement explains why the two triangles are congruent?
F. Both triangles have right angles.
G. The side lengths are the same measures.
H. The ratios of the side lengths are greater than one.
J. Translations followed by reflections preserve shape and size.
10.
11. The triangles shown are similar. Which series of transformations
maps Δ ABC onto Δ DEF ?
A
9
B
D
13.5
E
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
3
4.5
C
F
A.
B.
C.
D.
reflection followed by a rotation
rotation followed by a dilation
translation followed by a dilation
translation followed by a rotation
11.
12. Charlotte is creating a triangular pennant with geometry software.
The base measure of the pennant on screen is 550 pixels. The height
is 275 pixels. Charlotte resizes the pennant, keeping the aspect ratio
constant, so the height is 165 pixels. What is the scale factor of the
dilation? What is the base of the pennant?
12.
13. Let P(-6, 4) be a point on rectangle PQRS. What are the coordinates
3
?
of P´ if the rectangle is dilated by a scale factor of −
13.
8
14. Determine whether the figure shown has rotational
symmetry. If it does, describe the angle of rotation.
14.
Math Accelerated • Chapter 11 Congruence, Similarity, and Transformations
273