10.3: volume of pyramids and cones · by their bases. the pyramids of egypt are square pyramids...
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10.3: Volume of Pyramids and Cones
Cones
r
r
h
10.6: Volume of a sphere
Cross Sections of Solids
http://www.shodor.org/interactivate/activities/CrossSectionFlyer/
So a different way to fill space and create volume is to rotate ( 2-D shapes) about an axis and in doing so fill space and create volume.
Math Nation, Geometry, Section 9,Video 10:
Cross Sections and Plane Rotation
Homework:Due next classWorkbook:10.3 and 10.6, all
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