Core Mathematics

1A pyramid has a square base of side 6 cm and a height of 9 cm. Find its volume.

2Find the volume of a cone of radius 7 cm and height 12 cm. (π = 22/7)

3The slant height l of a cone with radius r and height h is

4The surface area of a sphere is

5The volume of a pyramid is base area × height.

6Find the volume of a cone of radius 14 cm and height 24 cm. (π = 22/7)

7The volume of a cylinder of radius 21 cm and height 30 cm is ___ cm³. (π = 22/7)

8The volume of a cylinder of radius 7 cm and height 30 cm is ___ cm³. (π = 22/7)

9The volume of a cylinder of radius 14 cm and height 20 cm is ___ cm³. (π = 22/7)

10The volume of a cone is