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A round cake has a diameter of 9 inches , what is the area of the top of the cake ?The cake is cut into equal pieces , what is the area of the top of ONE PIECE of cake ?

User Tim Friske
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1 Answer

5 votes

Given

Diameter 9inches

Radius 4.5 inches


Area\text{ of circle =}\pi r^2

Solution


\begin{gathered} A=\pi*4.5^2 \\ A=20.25\pi \\ A=63.61725in^2 \end{gathered}

User Neablis
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