SOLUTION: If one side of a right triangle is 3 inches and the hypotenuse is 4 inches, how long is the other side of the triangle?

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Question 260318: If one side of a right triangle is 3 inches and the hypotenuse is 4 inches, how long is the other side of the triangle?
Found 2 solutions by drk, stanbon:
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
We need to use Pythagorean theorem here as
a%5E2+%2B+b%5E2+=+c%5E2
let a = 3 and c = 4, we get
3%5E2+%2B+b%5E2+=+4%5E2
which is
9+%2B+b%5E2+=+16
b%5E2+=+7
b+=+sqrt%287%29

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If one side of a right triangle is 3 inches and the hypotenuse is 4 inches, how long is the other side of the triangle?
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Let the other side be "x":
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Use Pythagoras to solve for "x":
4^2 = 3^2 + x^2
16 = 9 + x^2
x^2 = 7
x = sqrt(7)
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Cheers,
Stan H.