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Triangle Sum
Author:
Tom Hamilton
New Resources
Fibonacci spiral
Parabola Parent Function Transformations
Trace of ellipses and hyperbolas with a circle (director)
Copie de Lagrange Multiplier
Consecutive Heads
Discover Resources
Area of Trapezoid Applet
Rectangle Action!
Kikora park
Equilateral and 3-4-5 triangles
Parch8.3aExp
Discover Topics
Fractions
Difference and Slope
Means
Rhombus
Constructions