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12.3b Surface Area of Pyramids and Cones

12.3b Surface Area of Pyramids and Cones. State Standards. Lesson Goals. Find the surface area of a cone. 8 , 9: Solve problems involving the surface area lateral area of geometric solids and COMMIT TO MEMORY THE NECESSARY FORMULAS. altitude. slant height. definitions. Cone

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12.3b Surface Area of Pyramids and Cones

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  1. 12.3b Surface Area of Pyramids and Cones State Standards Lesson Goals Find the surface area of a cone. 8, 9: Solve problems involving the surface area lateral area of geometric solids and COMMIT TO MEMORY THE NECESSARY FORMULAS.

  2. altitude slant height definitions • Cone • Base: a circle • Lateral surface: a sector of a circle • Altitude: the perpendicular distance between the vertex and the base.

  3. theorem Surface Area of a Cone

  4. You try Find the surface area. 13 ft 12 ft 5 ft

  5. Example

  6. Find the missing measurements of the right cone.

  7. Find the missing measurements of the right cone.

  8. Today’s Assignment • p. 738: 20 – 25, 27, 36, 44 – 46

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