Angles & Triangles Unit Review

Which of the angles below are vertical angles?

• ∠1 and ∠4

• ∠2 and ∠4

• ∠1 and ∠2

• ∠3 and ∠2

Determine which equation below can be solved to find the value of ∠B.

• 90 + ∠B + 44 = 360

• 52 + ∠B + 44 = 180

• 90 + ∠B + 44 = 180

• 52 + ∠B + 44 = 90

Using the diagram below, determine which statement is NOT true.

• angle Q is 90°

• angles P and R are adjacent

• angles P and R are complementary

• angles P, Q, and R are supplementary

Mary is given the following information about a triangle. Determine what type of triangle is being described.

27°, 90°, and 63° angles.

• acute, scalene

• right, scalene

• right, isosceles

• acute, equilateral

Use the information given to determine the measure of ∠L.

• 44.5°

• 30.5°

• 60°

• 46.5°

Which three lengths cannot be the lengths of the sides of a triangle?

• 24 m, 21 m, 16 m

• 9 m, 7 m, 18 m

• 5 m, 4 m, 7 m

• 13 m, 20 m, 15 m

Which of the following is a set of complementary angles?

• ∠LQM and ∠OQP

• ∠NQO and ∠OQP

• ∠LQM and ∠MQN

• ∠LQN and ∠NQP

Which pair of angles is an example of supplementary angles?

• ∠LQM and ∠OQP

• ∠MQN and ∠NQO

• ∠LQN and ∠NQP

• ∠MQP and ∠NQL

Which of the following is NOT a true statement?

• ∠NQP measures 80°

• ∠MQO measures 160°

• ∠LQN and ∠NQO have a sum of 160°

• ∠MQN and ∠NQO are complementary

Using the triangle below, set up and solve an equation in order to find the value of x.

• x = 23.4

• x = 18.8

• x = 20.8

• x = 20