10-5 Surface Area of Pyramids Slant height (ℓ) of a pyramid is the height of the triangular faces. It goes along the side of the pyramid. Also called the.

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Presentation transcript:

10-5 Surface Area of Pyramids Slant height (ℓ) of a pyramid is the height of the triangular faces. It goes along the side of the pyramid. Also called the lateral height. The normal height (h) of a pyramid is the distance from the vertex to the center of the base. Lateral Height Normal Height

Formulas Lateral Surface Area: ½Pℓ Total Surface Area: ½Pℓ + B

Example Find the lateral surface area and total surface area of the pyramid.

Example Find the lateral and total surface area of the pyramid.