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There is no exact radius of the Earth, but the average is 3,959 miles or 20,903,520 feet.
The Earth is rotating on it's axis and because of this rapid rotation the Earth's poles tend to flatten. Which makes the radius from the center to the equator larger than from the center to the poles.
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What is the radius of a circle of 480 feet?
Depending on what "a circle of 480 feet" means, the radius will have different values. If the radius is 480 feet, then that is your answer. If the diameter is 480 feet, then its radius is 480/2 = 240 feet. If the circumference is 480 feet, then its radius is 480/2(pi) = 240/(pi) = 76.39 feet.
What is the square feet of a radius of 17 feet?
Since 'radius' usually applies to circles, a circle with a radius of 17 feet would have an area of 907.92 square feet.
What is the radius of a circle if its circumference is 420 feet?
The radius of a circle, if its circumference is 420 feet, is 66.8 feet.
What is the area of a circle with a radius of 3 feet?
The area of a circle with a radius of 3 feet is: 28.27 square feet.
What is the area of a circle if the radius is 6.8 feet?
A circle with a radius of 6.8 feet has an area of 145.27 square feet.
