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Circumference equals the diameter times pi.

The diameter is 2 times radius.

Radius equals Circumference divided by pi then divided by 2.

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12y ago

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What is the formula for the diameter or a circle?

If you are given the radius of the circle, you can use the formula: diameter = 2*radius If you are given the circumference of the circle, you can use the formula: diameter = circumference/pi


If the circumference of the circle is 75.36 what is the radius?

To find the radius of a circle when given the circumference, you can use the formula: circumference = 2 * π * radius. Given that the circumference is 75.36, you can plug this value into the formula and solve for the radius. First, divide the circumference by 2π to find the radius. The radius of the circle would be 75.36 / (2 * 3.14159) ≈ 12. The radius of the circle is approximately 12 units.


How do you find the area of a circle when the radius is unknown?

By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.


What is the circumference of a circle with the radius of 4?

The circumference of a circle with a radius of four is: 25.13


What is the circumference of a circle if the radius is 4m?

A circle with a radius of 4m has a circumference of 25.133m.

Related Questions

If the circumference of a circle is 2053 feet what is the radius of the circle?

Given the circumference of a circle the radius is: r = C / 2xPI So the radius of your circle is 326.7451 ft


Given a circle with a radius of 4 which is the circumference?

The circumference is 25.1


What is the formula for the diameter or a circle?

If you are given the radius of the circle, you can use the formula: diameter = 2*radius If you are given the circumference of the circle, you can use the formula: diameter = circumference/pi


The circumference of a circle is 132cm what is the radius of the circle in centimeters?

To find the radius of a circle when given the circumference, you can use the formula for the circumference of a circle: C = 2πr, where C is the circumference and r is the radius. Given that the circumference is 132 cm, you can plug this value into the formula: 132 = 2πr. To solve for the radius, divide both sides by 2π: r = 132 / (2π) ≈ 21 cm. Therefore, the radius of the circle is approximately 21 centimeters.


How do you find length and width given the circumference?

If you mean the diameter and radius of a circle given the circumference it is:- diameter = circumference/pi radius = circumference/(2*pi)


How do you find circumference of a circle given?

circumference of a circle = 2*pi*radius or pi*diameter


What is the circumference of a 3 inch circle?

circumference= pi(3.14) by the diameter. if your given the radius, double the radius and times by pi.


How do you find distance if radius is given?

Diameter of a circle = 2*radius Circumference of a circle = 2*radius*pi


What is the radius of a circle of a circumference of 121?

To find the radius of a circle with a circumference of 121, you can use the formula for the circumference of a circle: C = 2πr, where C is the circumference and r is the radius. Given that the circumference is 121, you can plug this value into the formula and solve for the radius. Dividing 121 by 2π will give you the radius of the circle, which is approximately 19.24 units.


How do you calculate the circumference of a circle given the diameter or the radius?

Circumference = diameter*pi


What is the circumference of a circle if the radius is 4.83cm?

The circumference of a circle is given by the equation C=2*pi*r (r being the circle's radius). So, the circumference you're looking for is 30.35 cm.


What is the relationship for a radius and a circumference?

For any given circle, the circumference is equal to the radius multiplied by 2 x pi.