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How do you find side a if side b is 12 inches and side c is 18 inches of a right triangle?
Wiki User
∙ 10y ago
The answer depends on whether a or c is the hypotenuse: b cannot be the hypotenuse since the hypotenuse MUST be the longest side.
Suppose a is the hypotenuse.
Then a2 = b2 + c2 = 122 + 182 = 144 + 324 = 468. So a = 21.63 inches (approx).
Suppose c is the hypotenuse.
Then c2 = b2 + a2 = 182 = 122 + a2. So a2 = 180 and a = 13.42 inches (approx).
Wiki User
∙ 10y ago
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