Q: What is the diameter if the circumference is 21 miles?

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The circumference of a circle that has a diameter of 21 is about 65.97

The circumference of a 21 circle is: 65.97 (diameter x pi = circumference).

The diameter of Earth at its equator is 12,756 km and its circumference is about 40,075 km.

Circumference = 21*pi

The diameter is approximately 6.7

Related questions

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

The circumference of a circle that has a diameter of 21 is about 65.97

If a circle has a diameter of 21 feet the circumference is: 65.97 feet (diameter x Pi = circumference).

The circumference of Earth is approximately 24,901 miles, and the diameter is about 7,917.5 miles.

The circumference of a circle-shaped lake with a diameter of 2 miles is: 6.283 miles (diameter x Pi = circumference).

The circumference of a 21 circle is: 65.97 (diameter x pi = circumference).

The diameter of Earth at its equator is 12,756 km and its circumference is about 40,075 km.

The diameter of Mars is approximately 6,779 kilometers, and its circumference is approximately 21,296 kilometers.

Circumference = 21*pi

Circumference = Diameter x pi = 21 pi = 65.973 inches(rounded)

The diameter of a circle who's circumference is 28.26 miles is: nine (9) miles

Circumference = (pi) x diameter = 8,000 pi = 25,133 miles (rounded)