Question 920208
How would you find the hypotenuse when 1 of the legs is 8 ft long and the other leg is 15ft long? How would you figure the answer? 
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hypotenuse implies a right triangle
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I would use the Pythagorean Theorem.
{{{hyp^2 = 8^2 + 15^2}}}
Pythagoras figured that out over 2000 years ago.