Find the measure for ∠LQR. A) 126 ° B) 129 ° C) 131 ° D) 133 °

Question

asked Apr 20, 2021 96.8k views

2 Answers

Justadreamer · Answer 1 · 2021-04-27T06:42:22+0000

Answer:

A) 126°

Explanation:

to find b:

90 - 12b = - 3b + 63

- 12b + 3b = 63 - 90

- 9b = - 27

- b = - 27/9

-b = -3

b = 3

to find the measure of MQR:

-3*3 + 63 = 54°

to find the measure of LQR:

180 - 54 = 126°