Posted by Kylie on Thursday, March 31, 2011 at 9:41am.
Write a radical for exact length of the diagonal of the 30 by 30 dance floor. simplify the radical.
Im not sure how to do this.

Algebra  bobpursley, Thursday, March 31, 2011 at 10:19am
What is Pythagorean theorem?

Algebra  Jai, Thursday, March 31, 2011 at 10:21am
since it's 30 by 30, the shape is a square.
recall that the diagonal of a square is given by:
diagonal = sqrt(s)
where s = length of a side
thus, the diagonal is
sqrt(30)
hope this helps~ :)
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