Question

Help picture below problem 15

Answer 1

Answer:

m<4 = 80°

Step-by-step explanation:

The 80° angle and <4 are vertical angles.

Vertical angles are congruent. They have the same measure.

m<4 = 80°

Answer 2

Answer:

80°

Step-by-step explanation:

Vertically opposite angles are congruent.

∠4 = 80°