Question

Find mZ3 if mZ5 = 145º and mZ4 = 45°

Answer 1

9514 1404 393

Answer:

C. 100°

Explanation:

The exterior angle is equal to the sum of the remote interior angles.

∠5 = ∠3 +∠4

145° = ∠3 +45° . . . . fill in the given values

100° = ∠3 . . . . . . subtract 45° from both sides