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Phoenix [80]
3 years ago
12

Find the measure of the exterior angle.​

Mathematics
1 answer:
Rama09 [41]3 years ago
8 0

Step-by-step explanation:

measure of exterior angle = sum of 2 non adjacent angles

4X = 90 + X

3X = go

X=30

exterior angle = 30x 4 =120

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