Surface Areas a...

The curved surface area of the cylinder is $$2\pi r h$$ where as surface area of the cylinder is

Find the volume of the hemisphere with radius $$6$$ cm.

The radius of a hemisphere is $$10\ cm$$. Calculate it's volume.

What is the volume of the hemisphere with radius $$21$$ cm?

Calculate the surface area of hemisphere having the radius of $$1.4$$ cm.

The diagram shows the cross section of six identical marbles touching each other on a horizontal surface.
If the volume of a mabrle is $$\dfrac{9 \pi}{2} cm^3$$, calculate the length of PQ, in cm.

The largest possible sphere is carved out of a wooden solid cube of side $$7$$ cm. Find the volume of the wood left. $$\left[\text{Use } \displaystyle \pi =\dfrac { 22 }{ 7 }\right]$$

Calculate the total surface area of the right circular cylinder shown in the above figure (in square units).

A hemispherical container with radius 6 cm contains 325 m$$l$$ of milk. Calculate the volume of milk that is needed to fill the container completely. $$(\pi = 3.142)$$

If the total surface area of a solid hemisphere is $$462$$ $$\displaystyle { cm }^{ 2 }$$, find its volume.
Note: Take $$\displaystyle \pi =\frac { 22 }{ 7 } $$