Question

each edge of a cube is increased by 50%.find the percentage increase in the surface area​

Answer 1

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Answer 2

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★ Question :-

If each edge of a cube is increased by 50%, then the percentage increase in the surface area is

★ To find :-

The percentage increase in the surface area is

★ Solution :-

Let the original side be a then

Original surface area S=6a²

When side is increased by 50%, side becomes 3/2 a then,

Surface area s= 27 / 2 a²

Hence,Surface area is increases by

x = 27/2 a² - 6a²/ 6a² ×100 = 125%

Hence , 125 % is the required Answer.

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