Q: How many inches around a 12 circle?

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-- 12 inches across the circle, along any route that passes through the center -- 6 inches along any radius -- 12 pi = 37.7 inches (rounded) around the circle's curvy line

Area of a circle = pi*radius2

21 feet = 21*12 inches = 252 inches - whether in a straight line or a circle or whatever.

The area of a circle with a diameter of 12 inches is: 113.1 square inches.

A circle with a radius of 6 inches has a circumference of 37.7 inches.

Related questions

The circumference of a circle, with a diameter of 12 inches, is 37.7 inches.

-- 12 inches across the circle, along any route that passes through the center -- 6 inches along any radius -- 12 pi = 37.7 inches (rounded) around the circle's curvy line

12 inches

Area of a circle = pi*radius2

Area of a circle: pi*radius squared

area of circle is pi times diameter squared divided by 4 A = 3.14 x 12 x 12 /4 = 113 square inches

21 feet = 21*12 inches = 252 inches - whether in a straight line or a circle or whatever.

If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).

A circle with a radius of 12 inches has a circumference of 75.4 inches.

The area of a circle whose diameter is 12 inches is: 113.1 square inches.

The area of a circle with a diameter equaling 12 inches is: 113.1 square inches.

The area of a circle with a diameter of 12 inches is: 113.1 square inches.