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OpenStudy (anonymous):
Find the perimeter of the right triangle. A.21in B.36in C.54in D.31.5 in
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OpenStudy (anonymous):
OpenStudy (anonymous):
IS IT B 36?
OpenStudy (anonymous):
DO U DIVIDE BY 2 OR 3
ganeshie8 (ganeshie8):
correct
OpenStudy (anonymous):
The length of the unknown side = \(\sqrt{12^2+9^2} = 15\) perimeter = 15 + 12 + 9 = 36
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OpenStudy (anonymous):
thank you both of you
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