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Mathematics 7 Online
OpenStudy (anonymous):

What is the surface area of a cube with side length 11 km? choices: 484 km^2 264 km^2 1,331 km^2 726 km^2

OpenStudy (lgbasallote):

i think surface area = \(6s^2\)

OpenStudy (lgbasallote):

where s = side

OpenStudy (anonymous):

6 * side^2

OpenStudy (callisto):

Surface area \[= 6 (l^2)\] Now, l=11 Can you do it?

OpenStudy (kaederfds):

726 km^2

OpenStudy (anonymous):

@HiImOlivia try it,,

OpenStudy (anonymous):

thank you @Kaederfds

OpenStudy (callisto):

@HiImOlivia You should thank the one who guides you to do the question, not the one who just gives you the answer :|

OpenStudy (anonymous):

@Callisto , yah I think that is right xD

OpenStudy (kaederfds):

i'm not good in english. so i can't explain you the steps. sorry

OpenStudy (callisto):

Perhaps you can show some steps? :)

OpenStudy (callisto):

I think that helps the asker understand how you get the answer :)

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