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krok68 [10]
3 years ago
9

Cos B= 4/5, a=10, C=90, find the hypotenuse of the triangle

Mathematics
1 answer:
vlabodo [156]3 years ago
4 0
The cosine of B = 4/5 so the adjacent side divided by the hypotenuse = .8
So 10/.8 = 12.5 the length of the hypotenuse

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