The radius of a circle is 12.3 feet. Find its area. Round to the nearest tenth.
A = pi * r*2
Plug in the numbers.
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To find the area of a circle, you can use the formula:
Area = π * r^2
Where "π" is a mathematical constant approximately equal to 3.14159, and "r" is the radius of the circle.
In this case, the radius is given as 12.3 feet. To find the area, substitute the value of the radius into the formula:
Area = π * (12.3)^2
Area ≈ 3.14159 * (12.3)^2
Area ≈ 3.14159 * 151.29
Area ≈ 475.3612701
Rounding to the nearest tenth, the area of the circle with a radius of 12.3 feet is approximately 475.4 square feet.