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01-06-2017
Mathematics

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I need help on how to find these angles

I need help on how to find these angles class=

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amy16084 amy16084

01-06-2017

I know angle t is a right angle so 90-30=60 so angle 3 is 60, now that I know angle 3, there are 180 degrees in a triangle so 90+60=150, 180-150= 30 angle 2 is 30, so for angle 1, 30+40=70, 180-70=110, angle 1 is 110 degrees :)

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