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            Volumes of Pyramids & Cones - Lesson 12-5 
            Today we looked at the volume of pyramids and cones, which we determined to be based on the volume of prisms and cylinders: 
              
              
            We also looked at an interesting ratio: 
              
            This theorem isn't really that complicated...to find the ratio of the cross sections, just find the ratio of the heights. 
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