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If sides of right angled triangle are three consecutive integers.then length of smallest side is
9 years ago

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Reiny
the simplest right-angled triangle has sides
3,4, and 5

If you did not know that,
let the three sides be
x, x+1, and x+2

x^2 + (x+1)^2 = (x+2)^2
x^2 + x^2 + 2x + 1 = x^2 + 4x + 4
x^2 - 2x - 3 = 0
(x-3)(x+1) = 0
x = 3 or x = -1, the last one is silly

x=3
conclusion ....
9 years ago

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