Consider the following statements:

1) The number of circles that can be drawn through three non-collinear points is infinity.

2) Angle formed in minor segment of a circle is acute.

Which of the above statements is/are correct?

Find the total surface area (in cm2) of a hemisphere of diameter 21 cm.

From a solid cube of side 7 cm, a conical cavity of height 7 cm and radius 3 cm is hollowed out. Find the volume of remaining solid?

Find the total surface area (in cm2) of a hemisphere of diameter 21 cm.

A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity of water it can hold.

Find the total surface area (in cm2) of a right circular cylinder of diameter 7 cm and height 6 cm.

Find the volume (in cm³) of a cube of side 4.5 cm.

The volume of a hemisphere is 89.83 cm³. Find its diameter (in cm).

Find the volume (in cub.cm) of a hemisphere of diameter 28 cm.