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Unit 8 Lesson 3 – Surface Area of Pyramids and Cones

Unit 8 Lesson 3 – Surface Area of Pyramids and Cones. Pyramid:. A polyhedron with one base. The faces of the solid, not including the base. Lateral Face:. The perpendicular distance from the vertex to the base. Height:. The height of one of the lateral faces. Slant Height:.

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Unit 8 Lesson 3 – Surface Area of Pyramids and Cones

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  1. Unit 8 Lesson 3 – Surface Area of Pyramids and Cones

  2. Pyramid: A polyhedron with one base

  3. The faces of the solid, not including the base Lateral Face:

  4. The perpendicular distance from the vertex to the base Height: The height of one of the lateral faces Slant Height:

  5. A pyramid with a regular polygon as a base Regular Pyramid:

  6. One circular base Cone:

  7. Surface Area of a Regular Pyramid: B is the area of the base P is the perimeter of the base

  8. Surface Area of a Right Cone:

  9. 1. Find the surface area of the regular pyramid. B = s2 P = 9+9+9+9 B = (9)2 P = 36 B = 81

  10. 2. Find the surface area of the regular pyramid. 10 204 B = s2 P = B = (20)2 P = 80 B = 400

  11. 3. Find the surface area of the regular pyramid. P = (10)(5) P = 50

  12. 4. Find the surface area of the right cone.

  13. 5. Find the surface area of the right cone.

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