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ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1A. 203 cm2 B. 1341.5 cm2 C. 747.7 cm2 D. 213.5 cm2

phi
 one year ago
Best ResponseYou've already chosen the best response.1here is the formula http://math.about.com/od/formulas/ss/surfaceareavol_2.htm

phi
 one year ago
Best ResponseYou've already chosen the best response.1can you match your numbers to the variable names in the formula?

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1i got 441 pi but thats not right..

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1i did 1/3 pi 7^2 27 .. what did i do wrong?

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1ooops i did the volume formula thats why!

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1this time i got 238 thats still not right ...

phi
 one year ago
Best ResponseYou've already chosen the best response.1\[ area = \pi r^2 + \pi r s\] r is 7 and s is 27 is that what you started with ?

phi
 one year ago
Best ResponseYou've already chosen the best response.1it looks like you did not multiply by pi

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1im still getting 238 _

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1i did pi*7^2 + pi 7 * 27

phi
 one year ago
Best ResponseYou've already chosen the best response.1238 is r^2 + r*s the formula is pi r^2 + pi*r*s or pi*(r^2 + r*s)

phi
 one year ago
Best ResponseYou've already chosen the best response.17*7 is 49 7*27 is 189 add together you get 238 no pi

phi
 one year ago
Best ResponseYou've already chosen the best response.1can you figure out how to do it?

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1for pi * 7^2 i got 153.86

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1for pi * 7 * 27 i got 593.46

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1so would it be C ???

phi
 one year ago
Best ResponseYou've already chosen the best response.1yes, I thought you figured it out already.

phi
 one year ago
Best ResponseYou've already chosen the best response.1btw, you should not round to only 2 decimals, because your answer is slightly off. if you used all the digits the calculator gives you you get 747.6990516 which rounds to 747.7

ErinWeeks
 one year ago
Best ResponseYou've already chosen the best response.1okay thank you so much for your help!!!
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