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Subjects>Math>Geometry

Pi radius diameter

Anonymous

∙ 16y ago

Updated: 4/28/2022

Lets see:

diameter is the longest line across a circle (goes through the center)

radius is one half the diameter

Pi is the ratio of the circumference to the diameter. (3.14159 .....)

Wiki User

∙ 16y ago

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Continue Learning about Geometry

How do you figure out diameter and circumference?

Circumference is pi times diameter. Diameter is circumference divided by pi. Diameter is twice the radius. Radius is half the 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.

What is the formula for a circle radius r?

Area of a circle = pi*radius2 Circumference of a circle = 2*pi*radius or diameter*pi Diameter of a circle = 2*radius

What is the radius of a circle circumference is 38?

If the circumference is 38, the diameter is 38/pi. Since the radius is half of the diameter, the radius is 19/pi.

What is 2 pi radius?

Pi is the circumference of (distance around) a circle divided by its diameter (largest distance across). The radius is one-half of the diameter. 2 pi radius means two times pi times the radius or 2 x pi x radius. You can multiply in any order so this is the same as 2 x radius x pi. 2 x radius = diameter diameter x pi = circumference (distance around) 2 pi radius is the circumference of a circle

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