zBrianna zBrianna

19-04-2017
Mathematics

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What is the minimum information you need to be able to find the circumference and area of a circle?

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RbccHrmn RbccHrmn

19-04-2017

just the radius OR diameter

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liemonder liemonder

19-04-2017

The radius or diameter of the circle.
2r=D

The area is then A=r^2*[tex] \pi [/tex]
and the circumference C=2r*[tex] \pi [/tex]=D*[tex] \pi [/tex]

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