SOLUTION: A CUBE HAS A SURFACE AREA OF 294CM2. WHAT IS THE LENGTH OF ONE EDGE OF THE CUBE IN CENTIMETRES

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Question 358528: A CUBE HAS A SURFACE AREA OF 294CM2. WHAT IS THE LENGTH OF ONE EDGE OF THE CUBE IN CENTIMETRES
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

Surface area of cube  is 6 * area of each side.  Let x be the length of one edge

Surface area = 6x^2

6x^2 = 294cm^2

x^2 = 49

x = 7