This video shows a classroom demonstration that the volume of a cone filled to half the altitude is one-eighth the total volume of the cone. Water is poured into a cone up to half the altitude of the cone, and this is repeated 8 times. Then the total amount is poured into the cone to help students remember that a cone filled to one-half the altitude is one-eighth the volume of the full cone.
Tagged under: cone,volume,base,altitude,apex,geometry,mathematics,demonstration,deceptive shape,young students,elementary school,middle school
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