Surface Areas a...

Which part in the cylinder is included for total surface area?

A ball in the shape of a sphere has a surface area of $$221.76$$ cm$$^2$$. Calculate its diameter.

Find the radius of a solid sphere that has a volume of $$10$$ m$$^3$$.

Find the radius of a hemisphere with the volume of $$20$$ cm$$^3$$. $$(\pi = 3.142)$$

Find the volume of the sphere whose radius is $$5\sqrt 3$$ cm.

The radius of a spherical balloon increases from $$7$$ cm to $$14$$ cm as air is being pumped into it. Find ratio of surface areas of the balloon in the two cases.

The volume of sphere with radius $$3cm$$ is ................. $${cm}^{3}$$.

The surface area of a solid hemisphere is

The formula to find the total surface area of a Rs.$$5$$ coin is ..............

The formula of lateral surface area of cylinder is ________.