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Mathematics 4 Online
OpenStudy (anonymous):

What is the exact area of a circle with a diameter of ft? A. 1936 pi square feet B. 484 pi square feet C. 88 pi square feet D. 44 pi square feet

OpenStudy (sweetburger):

you just wrote blank ft

OpenStudy (sweetburger):

\[Area=\pi(r^2)\]

OpenStudy (calculusxy):

what is the diameter?

OpenStudy (anonymous):

sorry the diameter is 44 @calculusxy

OpenStudy (calculusxy):

lets use the equation of: \[\pi(r^2)\] to find the area. radius is always half of the diameter. so if the diameter is 44, then the radius is ____

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