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Tapering Timbers: Finding the Volume of Conical Frustums

Dustin L. Jones and Max Coleman 

March 2012, Volume 105, Issue 7, Page 500

Abstract:
Many everyday objects—paper cups, muffins, and flowerpots—are examples of conical frustums. Shouldn’t the volume of such figures have a central place in the geometry curriculum?

Keywords:
Article
3-D Shapes
Conceptual Development
Area
Grades 9-12
Teacher
Trigonometry
Reasoning and Proof
Representation
Similarity / Congruence
Volume