dlareKarifofun dlareKarifofun

21-06-2016
Mathematics

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The lengths of two sides of a right triangle are 5 inches and 8 inches. What is the difference between the two possible lengths of the third side of the triangle? Round your answer to the nearest tenth.

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meerkat18 meerkat18

02-07-2016

Let x be the third side. The two cases that allow us to determine the length of the third side are: (1) let x be the hypotenuse and (2) let 8 be the hypotenuse and solve for x. Through the Pythagorean theorem,

Case 1. x² = 8² + 5² ; x = 9.4
Case 2. 8² = x² + 5² ; x = 6.2

Thus, the difference is approximately 3.2.

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