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elena55 [62]
3 years ago
9

How do you find the r?

Mathematics
1 answer:
astra-53 [7]3 years ago
5 0
It's a right triangle. Use the pythagorean theorem. 36^2+r^2=(r+12)^2. r=48.
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First we have to make sure the units are same as the units the answer is required in.

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