Find the measure of the missing angle using the exterior angle sum theorm

asked Jun 23, 2022 144k views

1 vote

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4 votes

Explanation:

the sum of angels of a triangle is 180°

130+ ? + (180-160) = 180

130+ ? +20= 180

150+ ? = 180

? = 30°

the missing angle is 30°

RLT answered Jun 28, 2022

by RLT

3.8k points

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