Question

each edge is double find the surface area of a cube and the ans is 4 how??

Answer 1

Let the length of the edge of the cube be 'x' cm
(i) Total surface area = 6x2 cm2

Increased length of the edge = 2x
Total surface area = 6(2x)2 cm2 = 24x2 cm2

If the edge of the cube is doubled surface area of the cube increases by 4 times.



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