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8 July, 20:13

Jed used a protractor to draw an angle measuring 72°. He asked Mark to draw an angle that would be complementary to his angle. What should the measure of Mark's angle be? A.

144°

B.

18°

C.

108°

D.

162°

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Answers (1)
  1. 8 July, 21:35
    0
    B

    Step-by-step explanation:

    Complementary angles are 2 angles that add up to 90 degrees.

    If the first angle is 72 degrees, then subtract 90 - 72 to get the measure of the second angle.

    90 - 72 = 18

    = 18 degrees
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