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Two sides of a right triangle have the lengths 4 and 5. What is the product of the possible lengths of the third side? Express the product as a decimal rounded to the nearest tenth.

 
Guest Nov 14, 2017
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The possible lengths are 3 and \(\sqrt{31}\) .

Reason: 32 + 42 = 52 & 42 + 52 = 31.

 
helperid1839321  Nov 14, 2017

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