Question

SEE PHOTO! If 1 measures 135°, what is the measure of 8? (Lines b and c are parallel.)

A) 45°
B) 135°
C) 65°
D) 67.5°

Answer 1

Measure 8 is 135°

Explanation:

Measure 1 and Measure 8 are alternate exterior angles.

Answer 2

B) 135°

Explanation:

<1 = <4 vertical angles

<4 = <5 alternate interior angles

<5 = <8 vertical angles

Therefore <1 = <8

Since <1 = 135, we know <8 = 135