Challenge Construction

Author:Elizabeth McCollum

It seems that when D is inside the circle, the locus of C and E is an ellipse. It seems that when D is outside the circle, the locus of C and E is a hyperbola. It also seems that A and D are the foci of the ellipse.

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Pythagorean Theorem: Extension Exercises
Linear Equation Graphs: Thin Slice
Pythagorean Template: Integer Legs
What Do You See?

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Verschiebung/Streckung1
Cub.Mijloc Latura.
Medians
Fehr problem 6&7 in notes
Relationships in Triangles

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Trigonometry
Exponential Functions
Logarithmic Functions
Pie Chart or Circle Chart
Geometric Mean