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

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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The measure of an angle is 51Á.

What is the measure of its supplement?

A.
39Á

B.
49Á

C.
129Á

D.
139Á

User Josemigallas
by
8.8k points

1 Answer

6 votes
Supplementary angles add up to 180°.
So the supplementary angle in this case:
180 - 51
= 129°
The answer is C
User Jpeskin
by
8.6k points
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