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3 years ago

9

What is the measure of angle C?

1 answer:

attashe74 [19]3 years ago

8 0

9514 1404 393

Answer:

49°

Step-by-step explanation:

Angles A and C are complementary, so we have ...

(3x -7) +(2x +17) = 90

5x = 80 . . . . . . . . . . . . . subtract 10

x = 16 . . . . . . . . . divide by 5

Then the measure of angle C is ...

∠C = 2x +17 = 2(16) +17

∠C = 49

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