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Problem 2
Author:
Tom Ku
With square ABCD, CE parallel to BD, and DE = DB. To Prove: BF = BE
GeoGebra
New Resources
Flip Flop
Average Rate of Change: Graph a Function (2)
Finding Average Rate of Change of a Function
Poorly Drawn Parallelograms 2
Poorly Drawn Parallelograms 3
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Miscellaneous Applets
Translations Exploration
Scaling
Inverse of Addition of two sines
Construction: tangent to a circle from an external point.
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Square
Natural Numbers
Bar Chart or Bar Graph
Addition
Arithmetic Mean