Homework Help: Math: Pre-Calc

Posted by Angelina on Friday, November 6, 2009 at 12:36pm.

A right triangle has hypotenuse 5 inches long. Its area is 4 square inches. How long are the other sides?

Math: Pre-Calc - bobpursley, Friday, November 6, 2009 at 1:47pm
1/2 bh=4
bh=8

b^2+h^2=25
h^2/64 +h^2=25
65h^2=25*64
h= 5*8/sqrt65
Math: Pre-Calc - Angelina, Friday, November 6, 2009 at 3:06pm
I don't quite follow the last three lines. Could you please explain?

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