How would you figure out the length of a hypotenuse of a right triangle if it is 2 times as long as one leg, and the other leg is 9 inches long?

Question

anonymous · Answer

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directrix · Answer

The Pythagorean Theorem will be needed once the variables that represent the leg and hypotenuse lengths are established.

Let x be one leg
The other leg is 9
The hypotenuse is 2x

So, (2x)^2 = x^2 + 9^2

Solve that for x and see if it helps. @EuphrosyneRose