Homework Help: Math

Posted by Punkie on Thursday, June 10, 2010 at 10:39pm.

In a right triangle I need to find the length of the missing side.

If..
a = ?
b = 1
c = sqrt(5)

I would know what to do if the square root wasn't there or if it were a perfect square but it's not, please help...

(P.S. if I need to I have to keep it in radical form)

Math - Ana, Thursday, June 10, 2010 at 10:55pm
a=2
a^2=c^2-b^2

a^2=(√5)^2 - 1^2
a^2= 5 -1
√a^2 = √4
a=2
Math - Punkie, Thursday, June 10, 2010 at 10:58pm
Thank you so much, I understand how to get rid of my square root now
Math - Ana, Thursday, June 10, 2010 at 11:04pm
Good, you're welcome.

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