(pi) x r^2= 264 r^2=264/pi
r=sqrt(264/pi)
2r=d
therefore
d= 2 * sqrt(264/pi)
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Area of each brick = 12 inch * 12 inch = 1 ft * 1 ft = 1 square foot. Area to be covered = 264 square feet. So minimum number of bricks required = 264. However, that assumes that the area is "well behaved" and that all offcuts are used up.
264
264.0625 or (65÷4)2 = 8.252 = 264
264 sq metres = 2841.7 square feet (approx).
9 square feet = 1 square yard 264 square feet = 29 1/3 square yards