3 years ago

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

Mathematics

1 answer:

astraxan [27]3 years ago

3 0

Answer:

Step-by-step 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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