If m∠PQR=(12x−2)∘, and mPR=(20x−10)∘, what is m∠PQR? a. 137.5 b. 70 c. 16 d. 81

asked Jul 28, 2021 137k views

3 votes

If m∠PQR=(12x−2)∘, and mPR=(20x−10)∘, what is m∠PQR?
a. 137.5
b. 70
c. 16
d. 81

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7 votes

Answer:

Explanation:

12x - 2 + 20x - 10 = 180

32x - 12 = 180

32x = 192

x = 6

12*6 - 2

72 - 2 = 70

the solution is b

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