Homework Help: Math

Posted by Mark on Tuesday, November 28, 2006 at 10:05am.

How do I use pythagorean theorem if I already know what c is, but I am missing one of the legs?

If you know the length of one of the legs, a (besides the hypotenuse, c), then use
b^2 = c^2 - a^2
and solve for the unknown leg length, b.

This only works IF it is a right triangle.

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