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

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex