12.3 Surface Area of Pyramids and cones

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Presentation transcript:

12.3 Surface Area of Pyramids and cones Essential Question: How do you find the surface area of a regular pyramid?

Terms to Know Pyramid: Height of the pyramid: Regular pyramid: Slant height:

Surface Area of a Pyramid

Example 1: Find the surface area of the pyramids.

Example 2 Find the surface area of the regular hexagonal pyramid

Cone A cone has a ___________________________ Right Cone A cone has a ___________________________ The radius of the base ______________________ The height is the __________________________ The Lateral surface of a cone _______________________________________________________________________________________________________________

Surface Area of a Cone

Example 3

Example 3 Continues…

Homework: Page 814-815: # 3, 5, 7, 10 – 14 all.