Question

<3 and <4 are vertical. m<3=5x+22 and m<4=7x+2. Find the measure of each angl.

Answer 1

72°

Explanation:

Vertical angles are congruent.

m∠3 = m∠4

7x + 2 = 5x + 22

2x = 20

x = 10

m∠3 = m∠4 = 72°