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Mathematics 13 Online
OpenStudy (anonymous):

A circular lid has a diameter of 12 inches. What is the exact area of the lid? A. 6π square inches B. 12π square inches C. 24π square inches D. 36π square inches

OpenStudy (alyssa_xo):

the area formula of a circle is \(\pi r^2\) what's the radius of a circle with d=12?

OpenStudy (anonymous):

the radius is half the diameter. am correct?

OpenStudy (alyssa_xo):

you are, you are.

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