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kramer
3 years ago
9

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

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Step-by-step 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°

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