slant height

noun

, Geometry.

1. (of a right circular cone) the distance from the vertex to any point on the circumference of the base.

Word History and Origins

Origin of slant height¹

First recorded in 1790–1800

Example Sentences

To find the lateral area of a right pyramid: Multiply the perimeter of the base by the slant height and take half the product.

From Project Gutenberg

To find the lateral area of a cone: Multiply the circumference of the base by the slant height and take half the product.

From Project Gutenberg

The lateral area of a regular pyramid is equal to half the product of its slant height by the perimeter of its base.

From Project Gutenberg