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Volume of Pyramids, Cones & Spheres
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Given the same diameter and height for each figure, drag them to arrange in order of smallest to largest volume. How many filled cones do you think it would take to fill the cylinder? How many filled spheres do you think it would take to fill the cylinder?
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Demonstration comparing volume of Cones & Spheres with volume of Cylinders
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Volume of a Cone (Area of Base x Height) 3 (Area of Base x Height) 1
click to reveal A cone is 1/3 the volume of a cylinder with the same base area (B) and height (h). (Area of Base x Height) 3 (Area of Base x Height) 1 3
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Volume of a Sphere click to reveal V = 2/3 (Volume of Cylinder) r2 h)
A sphere is 2/3 the volume of a cylinder with the same base area (B) and height (h). V = 2/3 (Volume of Cylinder) r2 h) 2/3 ( V = or V = 4/3 r3
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(Just Ice Cream within Cone. Not on Top)
How much ice cream can a Friendly’s Waffle cone hold if it has a diameter of 6 in and its height is 10 in? (Just Ice Cream within Cone. Not on Top) Answer: 3.14 x 9 28.26 (Area of Base) x (Height) 282.6 (cone) = 94.2 in3
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23 Find the volume. 9 in 4 in Answer: 150.72 V = (1/3)Bh
V = in3
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24 Find the Volume 5 cm 8 cm Answer: 209.33 V = (1/3)Bh
V = cm3
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If the radius of a sphere is 5.5 cm, what is its volume?
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What is the volume of a sphere with a radius of 8 ft?
25 What is the volume of a sphere with a radius of 8 ft? Answer: V = (4/3) r 3 V = (4/3) (3.14)(8)3 V = ft 3
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What is the volume of a sphere with a diameter of 4.25 in?
26 What is the volume of a sphere with a diameter of 4.25 in? Answer: 40.17 V = (4/3) r 3 V = (4/3) (3.14)(4.25/2)3 V = (4/3) (3.14)(2.125)3 V = in3
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