Question

The slant height of a regular pentagonal pyramid is 6 cm, and the length of each side of the base is 3 cm. Find the lateral area.
Ms. Sue
This site explains how to do this.

http://www.mathsisfun.com/geometry/pyramids.html

LA = PHs/2 = (5*3)*6 / 2 = 45cm^2.

LA = Lateral Area.
P = Perimeter.
Hs = slant Height.

Related Questions

How do you find the lateral area and perimeter of a pentagonal pyramid? ex: The slant height of a... A regular pentagonal pyramid has a side length of 4 mm, an apothem that measures 3 mm, and a height... What is the lateral area of a regular pentagonal pyramid that has a slant height of 18 in. and a bas... what is the lateral area of a regular pentagonal pyramid that has a slant height of 16 in. and a bas...