Best Answer

radius = 20pi/2pi = 10 units

area = pi*102 = 100pi square units

Q: What is the radius and the area of a circle when the circumference is 20 pi?

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Circumference of a circle = 2*pi*radius or pi*diameter Area of a circle = pi*radius squared

Circumference of a circle equals Pi times the double the radius C = 2 x 3.14 x radius C= 2 x 3.14 x 20 C = 125.6 The circumference of a circle with a 20 foot radius is 125.6 feet.

The area of circle with a circumference of 20 is: 31.83 units squared.

20

Circumference = Pi * diameter. so Circumference = pi * 20 = 62.832

Related questions

Radius of a circle with 20' circumference = 20'/2pi = 3.18'Area of a circle with 3.18' radius = ((3.18')^2)pi = 31.8 square feet

Circumference of a circle = 2*pi*radius or pi*diameter Area of a circle = pi*radius squared

The radius of this circle is 10 units.

The radius of a circle whose circumference is 40pi is 20 units.

radius = diameter/2 circumference = 2*pi*radius or pi*diameter area = pi*radius2

Circumference of a circle equals Pi times the double the radius C = 2 x 3.14 x radius C= 2 x 3.14 x 20 C = 125.6 The circumference of a circle with a 20 foot radius is 125.6 feet.

The area of circle with a circumference of 20 is: 31.83 units squared.

20

radius = 20/(2*pi) = 3.183098862 inches

Circumference = Pi * diameter. so Circumference = pi * 20 = 62.832

Multiply the radius by (2 x pi).

If the circle is 20 ft radius, the area is π·20² = 1256.637 ft² If the circle is 20 ft diameter, the area is π·(20/2)² = 314.1593 ft² If the circle is 20 ft circumference, the are is π·(20/2π)² = 63.66198 ft²