Question

Part A: State the vertical angles theorem.

Part B: Identify the pairs of vertical angles in the figure.

Part C: Determine the measures of triangle a triangle b and triangle c in this figure. Show your work.

Answer 1

A) Vertical angles are congruent

B) 40 and b are vertical angles and c and a are vertical angles.

C) <a = 40

<b = 140

<c = 140

Explanation:

A straight angle is a straight line. It is 180°