Section 12.3 Day 1 – Surface Area of Pyramids
*Watch this video to give you a better grasp of the concepts listed below.*
Pyramid:
Lateral edge:
Base edge:
Altitude (height):
Regular pyramid:
Slant height (for regular pyramids):
Regular hexagonal pyramid
Surface Area of a Regular Pyramid:
Example 1: Find the surface area of the regular pyramid.
Example 2: Find the surface area of the regular pyramid.
Example 3: A regular pentagonal pyramid has a base with sides of length 18 inches and a slant height of
24 inches. Find the surface area of the pyramid.