Question

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

Answer 1

Answer:

125

Step-by-step explanation:

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.

Answer 2

Answer:

Edge of a cube is increased by 50%. Find the percentage increase in the surface area of cube

Step-by-step explanation: