You can
put this solution on YOUR website!If each dancer needs 9 square feet, and you have 100 dancers, that would be 900 square feet. For a square area, you need the formula

, or

square feet.
What number times itself is 900??? Try 30! If you didn't know this you can always take the square root of both sides, and use a calculator to take the square root of 900.

or
s= side of a square, so it has to be positive, s= 30 feet.
R^2 at SCC