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On a piece of paper, use a protractor to construct a triangle with angle measures of 30° and 50º. What is the measure of the third angle?
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On a piece of paper, use a protractor to construct a triangle with angle measures of 30° and 50º. What is the measure of the third angle?

User Manashvi Birla
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2 Answers

2 votes
100º. This is because a triangle has a sum of 180º, so if you do 180º-30º (gives you 150º) and then 150º - 50º, you get 100º for the third angle.

Hope this helped! Good luck :)
User Philip Kendall
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6 votes
180 - 50= 130 -30= 100


User Ran QUAN
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