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amm1812
3 years ago
8

A triangle has one 90-degree angle and one 38.7 - degree angle. What is the measure of the third angle?

Mathematics
1 answer:
tigry1 [53]3 years ago
4 0
The answer is 51.3 degrees because you add 90+38.7=128.7
then you do 180-128.7 because this is a linear/ supplementary triangle which adds up to 180
and you get 51.3 degrees
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