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  • 24-02-2017
  • Mathematics
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On a piece of paper, use a protractor to construct a triangle with angle measures of 50 and 70. What is the measure of the third angle?

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libra10 libra10
  • 24-02-2017
A triangle is equal to 180  degrees so add 50 and 70 and subtract the answer by 180. 
180-120=60  degrees
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