Baking a cake

Christy is baking a cake with a 9-inch diameter. She wants to cover the top with buttercream icing. How much icing will she need?

Final Answer:

A =  63.6173 in2

Step-by-step explanation:

d=9 in r=d/2=9/2=29=4.5 in  A=π r2=3.1416 4.52=63.6173 in2



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You need to know the following knowledge to solve this word math problem:

planimetricsUnits of physical quantitiesGrade of the word problem

 
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