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OpenStudy (anonymous):
What is the surface area of a cube with a side length of 18 meters?
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OpenStudy (anonymous):
@LegendarySadist
OpenStudy (ddcamp):
How many faces does a cube have?
OpenStudy (anonymous):
6.....
OpenStudy (ddcamp):
OK. If you add up the area of each face, you'll have the total surface area, right?
OpenStudy (anonymous):
yeah.......
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OpenStudy (anonymous):
and that's 108
OpenStudy (ddcamp):
Not quite
OpenStudy (ddcamp):
So there are 6 faces, and each one is a square with side length 18. What's the area of just one of the squares?
OpenStudy (anonymous):
hmm? :/
OpenStudy (ddcamp):
This is the cube we have, right? |dw:1432688909158:dw|
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