Unit Test — Cumulative exam

Question 1

Which quadrilateral will always have 4-fold reflectional symmetry?

Revolt · Accepted Answer

square

Question 2

Given that D is the midpoint of AB and B is the midpoint of AC, which statement must be true?

Revolt · Accepted Answer

AC = 4DB

Question 3

Rectangle ABCD was dilated to create rectangle A'B'C'D.

Revolt · Accepted Answer

6 units

Question 4

A line contains the following points left to right: R, T, U, S. The space between R and T is 12 units. The space between R and S is 24 units.

Revolt · Accepted Answer

SU + UT = RT

Question 5

Triangle ABC has the angle measures shown.

Revolt · Accepted Answer

Measure of angle B = 60 degrees

Question 6

Triangle EFG is transformed to create triangle E'F'G'.

Revolt · Accepted Answer

rotation

Question 7

A regular polygon has possible angles of rotational symmetry of 20°, 40°, and 80°. How many sides does the polygon have?

Revolt · Accepted Answer

18

Question 8

3 lines are shown. A line with points M, H, K intersects with a line with points J, H, L at point H. Another line extends from point H to point N in between angle K, H, J. Angle M H L is (3 x + 20) degrees, angle K H N is (x + 25) degrees, and angle J H N is (x + 20) degrees.

Revolt · Accepted Answer

95°

Question 9

Triangles R S T and X Y T are congruent. Triangle R S T is reflected across a line and then rotated at point T to form triangle X Y T.

Revolt · Accepted Answer

Yes, ΔRST can be reflected across the line containing RT and then rotated about T so that S is mapped to Y.

Unit Test — Cumulative exam Answers

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