If the length of the hypotenuse of a right triangle is 8 and the length of a leg is 4, find the perimeter?
Perimeter is defined as "the distance around a two-dimensional shape." Since the hypotenuse and one leg are given, using the Pythagorean theorem, one can find the third side and thus, the perimeter. A^2 + 4^2 = 8^2 --> 64-16=48 --> 48 = a^2 --> a=6.9
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