Unit Test March 8: Angles, Triangles and Pythagorean Theorem

Find the measure of the missing angle.

• 108 degrees

• 180 degrees

• 72 degrees

• 88 degrees

Two sides of a triangle measures 7 centimeters and 12 centimeters. What are the possible measures of the third side?

• 8 and 12

• 4 and 5

• 5 and 21

• 12 and 21

What is the length of side AB in centimeters?

• A. 1.41 cm

• B. 2 cm

• C. 8 cm

• D. 64 cm

What is the distance between points A and B?

• 1 unit

• 3.5 units

• 7 units

• 5 units

Find x.

• 138 degrees

• 42 degrees

• 90 degrees

• 132 degrees

A 13 foot ladder is placed against a wall such that the bottom of the ladder is 5 feet away from the wall. How high on the wall will the ladder reach?

• 13.9 ft

• 14 ft

• 12 ft

• 12.5 ft

What is the value of x?

• 25

• 37.5

• 10

• 15

What is the measure of angle ACD?

• 130 degrees

• 70 degrees

• 40 degrees

• 120 degrees

What is the sum of the angles of a regular decagon (10 sided polygon)?

• 1800 degrees

• 1440 degrees

• 2160 degrees

• 2320 degrees

Find the value of x.

• 88 degrees

• 1440 degrees

• 144 degrees

• 52 degrees