Napoleon's Theorem

Author:Nicola Trubridge, Judah L Schwartz

You can drag the red dots about to make any RED triangle you like. Construct a GREEN equilateral triangle on each edge of your triangle. What do you notice about the lines joining the centres of the GREEN triangles?

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Trammel of Archimedes
Ellipse and Equation
bewijs stelling van Pythagoras
Pythagoras fractal tree: Step 1
רישום חופשי

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start, create right isosceles triangle
Untitled
bisector 2
Protractor: Custom Template
How b depends on a?

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Dilation
Numbers
Volume
Function Graph
Linear Functions