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dezoksy [38]
3 years ago
15

What is the measure of angle A in the given triangles?

Mathematics
2 answers:
aleksley [76]3 years ago
8 0

Step-by-step explanation:

A + 32 + 45 = 180 (why? Sum inside angles = 180 degrees. Proof? If you want learning proof, I show you)

A = 103

slava [35]3 years ago
5 0

Answer:

Step-by-step explanation:

A + 32° + 45° = 180°

A + 77° = 180°

A = 180° - 77°

A = 103°

I hope I've helped you.

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