The surface area of a sphere is 4 x Pi x radius2. Pi = 3.142. If you want the answer in sq ft you have to measure the radius (half the diameter) in feet.
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7,500 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.
Just divide the number of square feet by 9 to determine square yards.
A circle with a 60-foot circumference has an area of 286.48 square feet.
You multiply the two sides the object in order to find the square feet of an area
Because square foot is a measure of area, you would find square feet by using an area formula. Simply multiply the sides of an object, which in your case are 6 and 5 feet, to find the answer. Your object is 30 square feet total.