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We're dealing with a right triangle so we can apply the following formula:
A^2 + B^2 = C^2 (C will be the leg back) Now we can plug in the numbers.
8^2 + 15^2 = C^2 Do the calculations will result in:
64 + 225 = c^2 Combine like terms:
289 = c^2 Square root each side will give us:
c = 17
There we go. the answer is:
Let me know if this makes sense to you.
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