Question

The total length of all edges of a cube is 96 cm what is the different in the number denoting its total surface area and volume

Answer 1

Solution :

Let length of each edge of

a square = a

Total length of all edges = 96

=> 12a = 96

=> a = 96/12

=> a = 8 cm

Now ,

i ) Total surface area of

a square = 6a²

= 6 × 8²

= 6 × 64

= 384 cm²

iii ) Volume = a³

= 8³

= 512 cm³

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