12-2 Surface Area of Prisms and Cylinders

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Surface Area of Prisms and Cylinders Section 12.2

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Presentation transcript:

12-2 Surface Area of Prisms and Cylinders Vocab: Lateral Faces: The solid sides of a 3-d figure Lateral Area: The sum of the areas of the lateral faces Surface Area: The sum of the lateral area and the area of the bases Formulas: Lateral Area of a Prism: Perimeter of base x height (Ph) Surface Area of a Prism: Lateral Area + 2x the area of the base (L + 2B) Lateral Area of a Cylinder: 2 x π x radius x height (2πrh) Surface Area of a Cylinder: 2 π r h + 2 π r²

Prisms Ex 1: Find the lateral and surface area of the prism

Cylinders Ex 3: Find the lateral and surface area of the cylinder

Classwork/Homework P. 849-850 2-6, 11-18