Question
If a and b are parallel lines, and m∠3 = 128°, what is the measure of ∠8?
(1 point)
Responses
134°
134°
52°
52°
54°
54°
49°
If a and b are parallel lines, then ∠3 and ∠8 are corresponding angles. Corresponding angles are congruent for parallel lines.
Since m∠3 = 128°, then m∠8 must also be 128°.
So, the answer is 128°.