Using 3.14 as Pi the area of circle is: 530.66
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Oh, dude, I got you! So, the area of a circle is calculated using the formula A = πr^2, where r is the radius. Plugging in the radius of 13 feet, we get A = π(13)^2, which simplifies to A = 169π square feet. And that's the area, like, all calculated and stuff.
The radius of a circle with a circumference of 13 feet is: 2.069 feet.
A = 530.9
radius in feet = 13/(2*pi)
Circles have diameters, so we will assume from your question that it is a circular flower bed. Square feet is a measure of area. Cubed feet is a measure of volume. You need the area of the flower bed that has a diameter of 13 feet. To find the area of a circle you use the formula Area = pi * radius squared Pi is approximately 3.14 The radius of a circle is one half of the diameter of a circle. In your case 13/2 = 6.5 A = pi * r2 A = 3.14 * (6.5)2 A = 132.665 square feet
r = ~2.07 feet