How do you calculate the square footage of a circle?

Answer

To calculate the square footage of a circle, you will first need to determine the length of the circle's radius. The radius of a circle is the distance from the center of the circle to the circle's outside edge, or perimeter. Once you have the length of the radius, multiply it by itself, or, in other words, square it. Multiply the square of the radius by pi, which is always 3.14. The result you get is the amount of square footage in the circle.
Q&A Related to "How do you calculate the square footage of a..."
The area of a circle equals. pi. (3.1415926. times the radius squared, or. pi. (r. 2. So if the distance from the center of the circle to the edge is 2 feet, you would multiply 2
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Knowing how to calculate square footage will come in handy when it comes time to estimate materials for that next do-it-yourself job. You'll save time, money and extra trips to the
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For a Square or Rectangular Area 1 Measure the length of the area in question with a tape measure. Jot this down on a piece of paper. Label this measurement "length." 2
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To obtain a gross idea of the square footage of an area, multiply the length by the
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