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"proof" of the triangle sum theorem
Author:
Zawierucha
,
Duane Habecker
This applet shows that the sum of the interior angles for ANY triangle is 180°.
GeoGebra
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Conway Circle Theorem
Viviani's Curve
Pathway to Proof: Triangle Angles
Rolling Circles and Polygons
Slope Between 2 Points (Phase 2)
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Tessellations (Equilateral Triangles)
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Zeroes with h(x)
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Tangent Function
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