11.5 Volumes of Pyramids and Cones - PowerPoint PPT Presentation

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11 5 volumes of pyramids and cones n.
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11.5 Volumes of Pyramids and Cones

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  1. 11.5 Volumes of Pyramids and Cones • The volume of a pyramid is one third the product of the area of the base and the height of the pyramid.

  2. Finding Volume of a Pyramid • The entrance to the Louvre Museum in Paris, France is a square pyramid with a height of 21.64 m with sides 35.4 m. What is the approximate volume of the Louvre Pyramid?

  3. Finding the Volume of a Pyramid • What is the volume in cubic feet of a square pyramid with base edges 40 ft and slant height 25 ft?

  4. Volume of a Cone • The volume of a cone is one third the product of the area of the base and the height of the cone.

  5. Finding the Volume of a Cone • The covering on a tepee rests on poles that come together like concurrent lines. The resulting structure approximates a cone. If the tepee is 12 ft. high with a base diameter of 14 ft., what is the approximate volume?

  6. More Practice!!!!! • Homework – Textbook p. 729 – 730 # 5 – 7, 9 – 14, 17 – 19 ALL.