On Aug 22, 3:04*pm, Walt Connelly

Can any of you tell me if the square of the hypotenuse is really equal
to the sum of the *square of the two adjacent sides or is it just
really, really close?

I so rarely meet right angles that are truly 90.00 degrees, so I
usually use the more general form of c^2=a^2+b^2-2ab*cosC.