alexanderlana40 alexanderlana40

18-04-2018
Mathematics

contestada

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

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mich1700 mich1700

18-04-2018

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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