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DIA [1.3K]
3 years ago
6

Please help me answer this math question.

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0

all 3 angles in a triangle need to equal 180 degrees

 62 +73 = 135 degrees are known

180-135 = 45

so angle B = 45 degrees

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