Here's the question you clicked on:
beellab
Nadine baked 2 cakes using a circular cake pan of diameter 12 inches. She plans to make a layered cake with one cake on top of the other with frosting only in between the cakes and on top of the second cake. Layla baked 4 cakes using a circular cake pan of diameter 10 inches. She plans to make a layered cake with each cake on top of the other and frosting only in between the cakes and on top of the fourth cake. The height of frosting in both their cakes is the same.
Layla. She has to frost an area that is 50.24 square inches greater than the area Nadine has to frost. Nadine. She has to frost an area of 904.32 square inches, and Layla has to frost an area of 314 square inches. Layla. She has to frost an area of 314 square inches, and Nadine has to frost an area of 226.08 square inches. Nadine. The area to be frosted on each of her cakes is more than the area to be frosted on each of Layla’s cakes.
@saifoo.khan I love you so much and I will give you a medal, and so will beellab if you help answer this :D xD
LOl @rebeccaskell94 . Let's try this.
whoa, wait. Don't involve me xD
Thanks btw. ^_^ @rebeccaskell94
I'm paying you for this. You do it ;D
You're welcome lol
@beellab , what we have to find? D:
I think her post that she put in the reply are the options for answers.
sorry didn't even realize! we have to find who requires more frosting
Lol. that's what i was looking for.
And @beellab , the height is not given as well!
It says they are same, but how can we find the Surface area?
the height isn't given. i put all that it says
Let me re-read. @GOODMAN , what do you think?
Okay. so here it comes.
Nadine: makes 2 cakes. 2* pi* r^2 2* pi * 6^2 2* pi * 36 72 pi units^2 ------------------------------------------------ Layla: 4 * pi * r^2 4* pi * 5^2 4 * pi * 25 100 pi units ^2
I think i messed up. lol.
is that what you were trying to get tho?
Actually we are looking for this: |dw:1343407716985:dw|