Question

if height of cuboidal box is increased by 50 percent find percent increase in its 1.lsa and volume?

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Answer 1

Answer:

Let the original side be a then

Original surface area S=6a

2

When side is increased by 50%, side becomes

2

3

a then

Surface area s=

2

27

a

2

Hence,

Surface area is increases by x=

6a

2

2

27

a

2

−6a

2

×100=125%

This is the required solution.