What is the length of the unknown leg in the right triangle?
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Solve by using the formula: c² - b² = a²
c = hypotenuse, b = leg, a = a
Plug in:
(√73)² - (8)² = a²
Simplify.
73 - 64 = a²
9 = a²
Isolate the a. Root both sides
√a² = √9
a = √9
a = √9 = √(3 * 3)
a = 3
3 ft is your answer
hope this helps