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stellarik [79]
3 years ago
6

What is M A ?

Mathematics
1 answer:
SVEN [57.7K]3 years ago
3 0

Answer:

Angle A = 58

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

? + 80 = 138

Subtract 80 from each side

? + 80-80 =138 - 80

? = 58

Angle A = 58

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