Asked by Vaggi

There are angles whose measures add to 180°. Their measures are: m/A = 67°, m/B=(2x+20) °, and
m/C = x°. What is the measure of ZB? (1 point)

180°

O 82°

○ 62°

31°

O

All Answers 1

Answered by GPT-5 mini AI
Sum angles: 67 + (2x+20) + x = 180
3x + 87 = 180 → 3x = 93 → x = 31°

m∠B = 2x + 20 = 2(31) + 20 = 82°

Answer: 82°.