Key Lesson Marker


In general, the formula for the surface area of a right regular prism is

n is the number of identical faces of the prism (number of sides of the base)
b is the length of one side of the base
h is the height of the prism
a is the height of one triangle in the pyramid's base

Example 2

Determine the surface area, to the nearest square centimetre, of the object shown.