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Q: If the diameter of a circle is 20 inches then what is the circumference?

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Circumference of the circle is: pi*20'

Area of a circle = πr² (remember that r or radius is exactly half of the diameter) Radius therefore = 40/2 = 20 inches Thus the Area = 3.14159 × 20 squared = 1256.636 square inches

Circumference is diameter times Pi, you do the math.

how many linear feet in a 20 foot diameter

314.16 sq. ft.

Related questions

The circumference of a circle if its diameter is 20 inches is: 62.83 inches (diameter x Pi = circumference).

If the circumference of a circle is 62.8 inches the diameter is: 20 inches.

The circumference of a circle with a diameter of 20 inches is: 62.83 inches. (C = d x Pi)

The circle has a diameter of 6.366 inches.

20/Pi = 6.37 inches

Use the following formula to figure diameter when the circumference of a circle is known: Circumference = Pi x Diameter 20 = 3.1415927 x D D = 6.366

Circumference of the circle is: pi*20'

The circumference of a circle = pi*diameter. 6 feet 3 inches = 6.25 feet, pi*6.25 = 19.63495408 feet or the circumference of the circle is nearly 20 feet.

The circumference of a circle with a diameter of 20 centimeters is: 62.83 cm (diameter x Pi = circumference).

If the circumference of a circle is 20 feet the diameter is: 6.366 feet (circumference divided by pi = diameter).

The diameter is the same as the length, so it is 20 inches. If you meant to say that the circumference was 20 inches, then divide by pi, which is 3.1416 20 / 3.1416 = 6.4 inches

The diameter of a 20 foot circumference circle is about 6.366 feet. (C / Pi = diameter).

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