Lateral Surface Area

My Definition

Key Characteristics

The following are true of the lateral surface area:

- It excludes the area(s) of the base(s) of a cylinder, prism, or pyramid.
- It is the total area of the lateral faces of a prism, or pyramid.
- It is the area of the curved lateral surface of a cylinder.
- It is determined by calculating the sum of the areas of the lateral faces of a prism or pyramid or the area of the curved lateral surface of a cylinder.

Example

The fabric-covered area of the lamp shade represents the lateral surface area of a cylinder with the same base area and height as the lamp shade.

Lateral Surface Area Activity

Lateral Surface Area Activity

Non-example

The total surface area of a prism, pyramid, or cylinder is the sum of its lateral surface area and the area(s) of its base(s).

TEKS: 7(9)(D), 8(7)(B)