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MatroZZZ [7]
3 years ago
12

Find the measure of the exterior 21.

Mathematics
2 answers:
ruslelena [56]3 years ago
5 0
Yea pretty sure it would be 90° because of the alternate exterior angles theorem pls mark branliest
Novay_Z [31]3 years ago
3 0

Answer:

I think that its 90

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Answer:

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