lesson
Deriving the Volume and Surface Area of a Sphere Using Cavalieri's Principle
Derive the volume formula for a hemisphere by comparing cross-sections with a cylinder minus an inverted cone, and deduce sphere surface area.

Derive the volume formula for a hemisphere by comparing cross-sections with a cylinder minus an inverted cone, and deduce sphere surface area.
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9th Grade · Math · Open Global Math
10 lessons
Use Cavalieri's principle and solid decomposition methods to derive and calculate surface areas and volumes of prisms, cylinders, pyramids, cones, spheres, and composite solids.