Activity 1 of 2
Part A: If Angle A and Angle B are vertical angles, what is value of x?

A.
8

B.
35

C.
10

D.
28

Activity 2 of 2
Part B: If Angle A and Angle B are supplementary angles, what is measure of Angle B?

A.
28º

B.
90º

C.
180º

D.
140º