Mensuration of solids: cones, cylinders, spheres and pyramids

Question 1 of 10

The volume of a pyramid is base area × height.

Question 2 of 10

A cone has a base radius of 9 cm and a vertical height of 12 cm. Taking π = 22/7, find (a) the slant height, (b) the curved surface area, (c) the total surface area, (d) the volume.

Question 3 of 10

The volume of a cylinder of radius 7 cm and height 30 cm is ___ cm³. (π = 22/7)

Question 4 of 10

1 litre = 1,000 cm³.

Question 5 of 10

Find the surface area of a sphere of radius 21 cm. (π = 22/7)

Question 6 of 10

The curved surface area of a cone with slant height l is

Question 7 of 10

The volume of a cylinder of radius 21 cm and height 10 cm is ___ cm³. (π = 22/7)

Question 8 of 10

The volume of a cone is

Question 9 of 10

A pyramid has a square base of side 8 cm and a height of 24 cm. Find its volume.

Question 10 of 10

The total surface area of a closed cylinder is