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The hypotenuse of a right triangle whose legs are consecutive whole numbers is 29 units. What is the sum of the lengths of the two legs?
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\[x^2+(x+1)^2=29^2\]
find x+x+1
wait.. what? so the sum of the 2 lengths of the legs are x+x+1?
2x^2+2x+1 = 841
thank you
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The legs are consecutive whole numbers. id21 called the first leg x, and the second leg must be one more than x (that's what consecutive means) the sum of the two legs is x + (x+1), or simply x+x+1 or 2x+1
\[x^2+x-420=0\] x=20 (other root is -21 -> you don't need it because it is negative) so the lenght of 1st leg is 20, 2nd leg is 20+1=21, the sum of legs is 20+21=41
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