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Mathematics 18 Online
OpenStudy (anonymous):

what is the area of a circle with circumference of 37.68

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (skullpatrol):

OpenStudy values the Learning process - not the ‘Give you an answer’ process Don’t post only answers - guide the asker to a solution.

OpenStudy (anonymous):

\[Area = π × r^2\]

OpenStudy (anonymous):

where r = radius

OpenStudy (anonymous):

USE 3.17

OpenStudy (anonymous):

Find the length of the circle's radius. The radius is the distance from the point at the center of the circle to any of the points at its edge. It can also be found by dividing the circle's diameter by 2.

OpenStudy (skullpatrol):

@ashleytyler23 $$\pi\approxeq 3.14$$

OpenStudy (anonymous):

Circumference = 2 • π • radius = π • diameter

OpenStudy (anonymous):

Circle Area = π • r² = ¼ • π • d²

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