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Subjects>Math>Algebra

What is the equation for the circumference and radius?

Anonymous

∙ 13y ago

Updated: 4/28/2022

The equation for circumference is 2(3.14)(r) or 3.14(d) where r=radius and d=diameter.

The radius of a circle is half of the circumference, or the distance across the interior of a circle.

Wiki User

∙ 13y ago

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Continue Learning about Algebra

What is the circumference of radius equals 18 inches?

the equation to find circumference is C=2*pi*radius so when you have a radius of 18 inches, C=113.097

What is the circumference with a radius of 2.5?

The circumference of a circle with a radius of 2.5 is approximately 15.7075. The equation for the circumference of a circle is Circumference = 2πr where r is the radius. In our case, the radius is 2.5. We can approximate π to be 3.1415. So C = 2 * 3.1415 * 2.5, or C ~= 15.7075

What is the circumference if the area is 379.94 cm square?

The first step is to work out the radius. The formula for area is pi(r2). That equals 379.94, so plug this into the equation and you get a radius of 10.997. The formula for the circumference is pi(2r). Plug the now known radius in and you get 69.097516968554117299881726353374 Therefore the circumference, if the area is 379.94cm2, will be 69.1cm

A circumference is 24 what is the radius?

If the circumference is 24 the radius will be: 3.82

If the circumference of a circle doubles the radius?

IMPOSSIBLE circumference = 2*pi*radius if circumference = 2*radius: 2*radius=2*pi*radius 2*radius/(2*radius)=2*pi*radius/(2*radius) 1=pi pi= 1 therefore it is impossible to have a circumference that is twice that of the radius

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