Question 1162456
20 ft. is diameter of a circular pond.  Determine side of a square pond with equal area.


Area of circle = pi * r^2

Area of square = s^2

3.1416 * 10 = 31.416 sq. ft.

Not sure how to continue.
<pre>{{{matrix(2,5, Area, of, circle, "=", pi * r^2, Area, of, square, "=", s^2)}}}
{{{matrix(2,3, pi * r^2, "=", s^2, pi * 10^2, "=", s^2)}}}
A side of the square pond, or {{{highlight_green(matrix(1,13, s, "=", sqrt(pi * 10^2), or, 10sqrt(pi), feet, "(EXACT", "dimension),", or, 17.72453851, feet, "(APPROXIMATE", "dimension)"))}}}