Mathematics
morenitaliah
15

The measure of an angle is 51Á. What is the measure of its supplement? A. 39Á B. 49Á C. 129Á D. 139Á

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(1) Answers
steph2

Supplementary angles add up to 180°. So the supplementary angle in this case: 180 - 51 = 129° The answer is C

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