Question

A box contains a cylinder and a cube. The height and the radius of
cylinder is 7 cm and 14 cm respectively. It has been observed that side
of the cubical box is half the radius of the cylinder.
(Find the lateral surface area of cube).​

Answer 1

Step-by-step explanation:

Volume of cylinder A=(

7

22

×

2

7

×

2

7

×14)=539 cubic cm

Volume of cylinder B=(

7

22

×7×7×7)=1078 cubic cm

volume of cylinder B is greater

Surface area of cylinder A=(2×

7

22

×

2

7

×

2

7

+14)=385 sq cm

Surface area of cylinder B=(2×

7

22

×7×(7+7))=616 sq cm

Surface area of cylinder B is also greater than the surface area of cylinder A.