Geometry · Area, Surface Area & Volume

Volume of a Cylinder

HSG-GMD.A.3

Definition

V = pi r2 h, the circular base area times the height.

Examples

  • pi(32)(5) = 45 pi cubic units.
  • A cylinder with radius 2 and height 10 has volume pi(22)(10) = 40 pi cubic units.

Key rule

The volume of a cylinder equals the area of its circular base times its height.

Memory hook

Circle base area times height.