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Circumference of Circle

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Circumference of Circle

Postby nycmath » Wed Aug 26, 2026 4:48 am

A circle has a radius of 9 feet. What is the circumference of the circle?
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Re: Circumference of Circle

Postby Eigenvalue » Thu Sep 24, 2026 12:39 am

Use the formula for the circumference of a circle: c=2πr
r=9
c=2π(9)=18π feet

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Re: Circumference of Circle

Postby nycmath » Thu Sep 24, 2026 4:14 am

Eigenvalue wrote:Use the formula for the circumference of a circle: c=2πr
r=9
c=2π(9)=18π feet


A lot of students forget to include [tex]\pi[/tex] in their answer to similar questions.

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