Pretest

Question 1

In which diagram are angles 1 and 2 vertical angles?

Revolt · Accepted Answer

A: Image with description Two lines intersect at a point. The vertical angles are named as 1 and 2, respectively.

Question 2

Which angle is a vertical angle with angle EFD ?

Revolt · Accepted Answer

C: angle AFB

Question 3

What is the value of m ?

Revolt · Accepted Answer

A: 10

Question 4

Marcus states that angle ORP and angle LRP are a linear pair. Which best describes his statement?

Revolt · Accepted Answer

C: He is incorrect. Ray  RO  and ray  RL  are not opposite rays.

Question 5

What is the value of x ?

Revolt · Accepted Answer

A: 20

Question 6

In the diagram, which angle is part of a linear pair and part of a vertical pair?

Revolt · Accepted Answer

D: angle EFA

Question 7

Which are vertical angles?

Revolt · Accepted Answer

C: angle AFE  and  angle BFD

Question 8

Which pair of angles are vertical angles?

Revolt · Accepted Answer

B: angle WRS  and  angle VRT

Question 9

In the diagram, which angles are vertical angles? Choose two correct answers.

Revolt · Accepted Answer

B: angle ABC  and  angle EBD; D: angle ABE  and  angle CBD

Pretest Answers