When baking a cake, you have a choice of the following pans:

a round cake pan that is 2 inches deep and has a 7 inch diameter
a 6 inch × 9 inch rectangular cake pan that is 2 inches deep

a. Which of these pans has the larger volume? Justify your answer.

b. How much icing will be needed to frost each cake, excluding the bottom of the cake? Justify your answer.

Question

When baking a cake, you have a choice of the following pans: 

a round cake pan that is 2 inches deep and has a 7 inch diameter 
a 6 inch × 9 inch rectangular cake pan that is 2 inches deep 

a. Which of these pans has the larger volume? Justify your answer. 

b. How much icing will be needed to frost each cake, excluding the bottom of the cake? Justify your answer.

anonymous · Answer

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anonymous · Answer

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anonymous · Answer

jst need a understanding...

anonymous · Answer

Hey, chill out, we're looking at it. Give us a second.

anonymous · Answer

k

aperez · Answer

Is there any formula? Perhaps? Hrm....

anonymous · Answer

umm

anonymous · Answer

You find the volume of the rectangular one with length times width times height. I'm not good at circles.

anonymous · Answer

Part b is a surface area problem.

anonymous · Answer

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aperez · Answer

Well, @singlesixx you beat me at this one lol :p

anonymous · Answer

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anonymous · Answer

Once again, not good at circles, but for b on the rectangle cake, find the area (length times width) of each part (top and all four sides) and add them all together.