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Sever21 [200]
3 years ago
15

The measure of an angle is 51°. What is the measure of its supplementary angle?

Mathematics
1 answer:
vodomira [7]3 years ago
7 0

Answer:

supplement of an angle is what must be added to that angle to get 180

51+supplement=180

minus 51 both sides

supplement=129

answer is 129

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