Question

Given that lines a and b are parallel and that m∠5 = 120°, find m∠1.

A) 40°
B) 60°
C) 120°
D) 135°

Answer 1

C

Explanation:

angles 1 and 5 are corresponding angles and congruent , thus

∠ 1 = ∠ 5 = 120° → C

Answer 2

answer will be 120°

Explanation:

as those are similar angles