If you mean a circle, use the formula for the area of a circle: A = pi x r2.
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The circumference is 565.5 feet. The area is 25,450 square feet. The diameter is 180 feet.
The radius is 12
Find the area of the shaded sector. radius of 3 ...A+ = 7.07
To find the area of a square, you multiply the length by the width. In this case, 90 ft x 90 ft equals 8100 square feet. This is because each side of the square is 90 feet long, so the total area covered by the square is 8100 square feet.
90 square meters is about 968.7519 square feet.