Geom
The Why of Area Formulas
See this GeoGebra Classroom Activity https://www.geogebra.org/m/jkszrqfa Green points are drag-able.
Why is Volume of a Pyramid one-third the Prism?
This vides shows why the volume of a pyramid is 1/3 of the volume of the prism with the same base and same height. This can be done using the solids in the Math Resource Office (MRO) at Western Illinois University.
Wisconsin Formula Sheet
Wisconsin Mathematics Formula Reference Sheet My Version Wisconsin.Formula.Sheet (with the apothem on the back 😉) Original-Wisconsin-formula-reference-sheet – 2 pages.
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