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OpenStudy (anonymous):
The edge of a cube is 7 cm long,find the surface area
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OpenStudy (cwrw238):
surface area of each face = 7^2 and there are 6 faces
OpenStudy (anonymous):
what is the formula?
OpenStudy (anonymous):
There is no formula.You just require to break cube into squares and then count the squares.
OpenStudy (cwrw238):
you can use Surface area = 6x^2 where x = length of edge
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