Pretest

Question 1

In which diagram are angles 1 and 2 vertical angles?

Revolt · Accepted Answer

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

angle AFB

Question 3

What is the value of m ?

Revolt · Accepted Answer

10

Question 4

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

Revolt · Accepted Answer

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

Question 5

What is the value of x ?

Revolt · Accepted Answer

20

Question 6

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

Revolt · Accepted Answer

angle EFA

Question 7

Which are vertical angles?

Revolt · Accepted Answer

angle AFE and angle BFD

Question 8

Which pair of angles are vertical angles?

Revolt · Accepted Answer

angle WRS and angle VRT

Question 9

What is the value of x ?

Revolt · Accepted Answer

20

Question 10

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

Revolt · Accepted Answer

angle ABC and angle EBD; angle ABE and angle CBD

Pretest Answers