Geometry · Area, Surface Area & Volume

Volume of a Prism

HSG-GMD.A.3

Definition

The space inside a prism, equal to the base area times the height, in cubic units.

Examples

  • A box 4 by 3 by 2: V = base area x height = 12 x 2 = 24 cubic units.
  • A triangular prism with base area 10 and height 6 has volume 60 cubic units.

Key rule

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

Memory hook

Base area times height.