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12.5 Volume of Pyramids & Cones April 03, 2012 Bellwork Get a cylinder and a prism from the back table. Find the volume of each. Put bellwork in homework bin.HW pg. 832 #424 evens 1
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12.5 Volume of Pyramids & Cones April 03, 2012 12.5 Volume of Pyramids and Cones Objectives: 1. To use the formulas for the volumes of pyramids & cones. a e of A pyramid is a portion of a prism. volum ing the the find ? A cone is a portion of a cylinder. fin ding lar to m is sim i pris ow d nd er/ H ami cyli pyr ne/ me of a co volu The relationship is 1/3.HW pg. 832 #424 evens 2
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12.5 Volume of Pyramids & Cones April 03, 2012 Volume of a Pyramid: Volume of a Cone: V = 1/3 π r 2 h V = 1/3Bh where B is the area of the base & h is the height of the pyramid. **Remember to use the perpendicular height**HW pg. 832 #424 evens 3
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12.5 Volume of Pyramids & Cones April 03, 2012 Find the volume of the square pyramid. 12 cm 7 cm How much ice cream would be atop a cone with a diameter of 2 in if the ice cream is 3 inches high?HW pg. 832 #424 evens 4
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12.5 Volume of Pyramids & Cones April 03, 2012 A trapezoidal pyramid has a volume of 420 cubic yards. If the height of the pyramid is 6 yards, what is the area of the pyramids base?HW pg. 832 #424 evens 5
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