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The diameter of a circle is 6.4 find the radius and the circumference?

Updated: 12/14/2022

Wiki User

∙ 14y ago

Best Answer

Easy to do:

For the radius, just divide the diameter by two: 6.4 / 2 = 3.1
For the circumference, multiply the diameter by Pi (about 3.1416): 6.4 x 3.1416 = 20.10624

Wiki User

∙ 14y ago

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How to find the radius of a circle with the circumference?

Divide circumference by pi, that gives diameter. Radius is half of diameter

How do you find the radius of a circle is you have the circumference?

pi X diameter finds the circumference so circumference divided by pi will leave the diameter. half the diameter to find the radius

How can you find the circumference of circle?

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

How do find the circumference of a circle?

The formula; 2 * Pi * Radius = circumference Will calculate the circumference of a circle.

How do you find the radius of a circle only knowing the circumference?

The equation for finding the circumference of a circle is diameter times pi so reverse it to circumference divided by pi which leaves the diameter. The diameter is twice as big as the radius so divide the diameter by 2 and you will find the radius.

Related questions

How to find the radius of a circle with the circumference?

Divide circumference by pi, that gives diameter. Radius is half of diameter

How do you find out the circumference from the diameter?

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

How do you find the radius of a circle is you have the circumference?

pi X diameter finds the circumference so circumference divided by pi will leave the diameter. half the diameter to find the radius

How can you find the circumference of circle?

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

How do find the circumference of a circle?

The formula; 2 * Pi * Radius = circumference Will calculate the circumference of a circle.

How do you find the radius of a circle only knowing the circumference?

The equation for finding the circumference of a circle is diameter times pi so reverse it to circumference divided by pi which leaves the diameter. The diameter is twice as big as the radius so divide the diameter by 2 and you will find the radius.

How do you find diameter when you have the radius?

The diameter of a circle is simply twice the radius of the circle. The radius is a line that starts from the center of the circle to the circumference of the circle. The diameter is a line that passes through the circle. diameter=2xradius

How do you find the length of of the radius of a circle?

You can either measure it, or calculate it if you know the diameter (radius = diameter / 2), or the circumference (radius = circumference / (2pi)).

How do you find the diameter and circumference of a circle if the radius is 7?

Diameter = Radius*2 = 14 units. Circumference = pi*Diameter = 43.98 units.

How do you find the formula for the circumference of a circle?

Circle's circumference = 2*pi*radius or diameter*pi

How do you find circumference of a circle given?

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

How to find the circumference?

To find the circumference of a circle you multiply the diameter by pi (3.14), the diameter is two times the radius.

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