SOLUTION: The sides of a right angled triangle in order of magnitude are 8cm,(x-2) and xcm. Find x.

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Question 1057665: The sides of a right angled triangle in order of magnitude are 8cm,(x-2) and xcm. Find x.
Answer by ikleyn(52818) About Me  (Show Source):
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The sides of a right angled triangle in order of magnitude are 8cm,(x-2) and xcm. Find x.
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8%5E2+%2B+%28x-2%29%5E2 = x%5E2,

-4x+%2B+4+%2B+64 = 0,

4x = 68,

x = 17.