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Ratling [72]
3 years ago
9

What is the measure of angle C?

Mathematics
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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