Base Area

My Definition

Key Characteristics

The following are true of the base area:

  • It is designated by an italic capital “B” in formulas.

  • It refers to the area of one of the bases of a solid figure.

  • It can be used to determine the volume of solid figures.


This is a rectangular prism. rectangular prism

The base area, B, is shaded. The dimensions of the rectangular base are 6 units and 5 units.



The base, b, of the rectangle is six units.

TEKS: 5(4)(G), 5(6)(A), 5(6)(B), 6(8)(C), 6(8)(D), 7(9)(A), 8(6)(A)