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Mr butterworth baked a cake in the shape of a cylinder the cake had a diameter of 9 in and a height of 5 in. He spread chocolate icing over the entire cake (except the bottom) how many square inches of icing did he use?

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akaleti47
so, we need to find {  curved surface area[pi*d*h] + top area[pi*(d^2)/4]  }

just
substitute.
ChelseaMarlow
Your answer should be 1271.7 in(sqrd) because you have to find the area of the base and then multiply that by 5in.

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