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What is the measure of the exterior angle?

What is the measure of the exterior angle?-example-1
User DURGESH
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1 Answer

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90+3x+2+x=180
Subtract 90 from both sides
3x+2+x=90

4x+2=90
Subtract 2 from both sides
4x=88
Divide by 4
X=22

Angle 1+ angle x=180

Angle1 + 22=180
Subtract 22 from both sides
Angle 1 =158
User Adriancarriger
by
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