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What are 3 formulas you can use for finding a circumference?

Anonymous

∙ 12y ago

Updated: 10/17/2024

Given diameter = d: circumference = pi*d

Given area = a: circumference = 2*sqrt(pi*a)

Given an arc of length L subtends an angle x degrees at the centre: circumference = 360*L/x

Wiki User

∙ 12y ago

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Q: What are 3 formulas you can use for finding a circumference?

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Continue Learning about Math & Arithmetic

What is the formula for finding the circumference with radius?

the circumference is two times the radius, or 2r. so if the radius was 3, the circumference would be 6. if the radius was 4, the circumference is 8.

What is the diameter if the circumference is 733mm?

The formula for finding the circumference of a circle is: circumference = pi * diameter So if we rearrange that, to find the diameter, we have to divide the circumference by pi. 733/pi = 233mm (3 sig fig) The diameter is therefore 233mm

How do you determine the circumference of a circle if you know the radius?

use the formula pi*diameter = circumference and the formula diameter = 2*radius and combine them 2pi*radius = circumference now you have a formula that you can just plug you numbers into. if you have 3 as your radius, then this is how to find the circumference 2pi*3=circumference 6.28*3=circumference 18.84=circumference

What are 3 uses of pi?

Finding the area of a circle: pi*radius2 Finding the circumference of a circle: 2*pi*radius or diameter*pi Finding the surface area of a sphere: 4*pi*radius2

What are the 3 forms of the formula for finding the circumference of a circle?

C = πd C = πr2 I'm not sure of the 3rd one (if there even is one), sorry

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