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13.2 Volume of Pyramids and Cones

13.2 Volume of Pyramids and Cones. By Bethany Larson and Eric Humpert. Objectives. To find the volume of cones To find the volume of pyramids To be goofy goobers!!!. VOLUME :D. Happy face!.

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13.2 Volume of Pyramids and Cones

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  1. 13.2 Volume of Pyramids and Cones By Bethany Larson and Eric Humpert

  2. Objectives • To find the volume of cones • To find the volume of pyramids • To be goofy goobers!!!

  3. VOLUME :D Happy face! If a right circular cone has a volume of V cubic units, a height of h units, and a base with an area of B units, then V=⅓Bh An oblique cone will have a height that is from the vertex and perpendicular to the base. DON’T FORGET!! Area of a circle is r² + = FAIL!!!!

  4. Exceptions… • You will need to use trigonometry to find some information of a cone. Don’t worry though, we know you can do it!! Don’t be like Patrick here…

  5. Goober example Squidward needs to find out if Patrick has enough volume for a brain. For Patrick to have a brain he needs to have 2500cm³ of space within his cranium. Use the formula to help him. Patrick’s head has a radius 10cm and a height of 22cm. Assume his head is a right cone. About 2303cm³, so no….

  6. PYRAMIDS!! If a pyramid has a volume of V units, and a height of h units, and a base area of B units, the V=⅓Bh h

  7. Chuck Norris in Bikini Bottom? • That’s right, Chuck Norris. • Everyone knows Chuck Norris built the pyramids, and now, he wants to make one with 3 times the volume of Khufu’s Pyramid. Chuck Norris demands you help, even though he doesn’t need it since he invented geometry.

  8. Khufu Khufu’s base is a regular square with sides of the base that are 755ft, it’s height is 449ft. What is going to be the volume of the new pyramid?? About 255,941,225ft³

  9. YAY!! Assignment! Page 699 #8-30 ALL PROBLEMS!!! Don’t forget to show your work, Chuck Norris will avenge his creation 

  10. PSYCH!! Okay, the real assignment is.. Page 699 # 8-17, 25-27 #20 for bonus 

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