Q: What is the square footage of a 20 mile diameter circle?

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314.159 sq miles

The area of any circle is (pi) times (square of the radius)."Pi" is about 22/7, or 3.1416 .We can't calculate the answer for the given circle, because we're not sure what is meant by"a 2.4 mile circle". Does that mean the radius is 2.4 miles ? The diameter ? The circumference ?

circumference of a circle = 2*pi*radius or diameter*pi

Circumference of the circle = 1 times pi in miles

d = 0.31831 miles.

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314.159 sq miles

113.097 square miles or 3.15296e9 square feet.

That depends whether the "10-mile circle" refers to the circle's radius, its diameter, or its circumference. Assuming it is the diameter, divide it by 2 (to get the radius), then use the formula: area = pi x radius2.

The circumference of a circle with a 21 mile diameter is 66 miles (approx).

If the circle's diameter is two miles, the area would be: 8042 acresA diameter radius of two miles is 12.5 square milesIf the circle's circumference is two miles, the area would be: 203.7 ac

The area of any circle is (pi) times (square of the radius)."Pi" is about 22/7, or 3.1416 .We can't calculate the answer for the given circle, because we're not sure what is meant by"a 2.4 mile circle". Does that mean the radius is 2.4 miles ? The diameter ? The circumference ?

circumference of a circle = 2*pi*radius or diameter*pi

Circumference of the circle = 1 times pi in miles

It is 6.3 miles, approx.

d = 0.31831 miles.

Using the formula for the area of a circle, πr2, the area is exactly 0.25π square miles.That's about 0.785 square miles. Since π is an irrational number, the exact area cannotbe written with numerical digits alone.

A circle with a mile radius has an area of pi sq miles.