Αντιγραφή του Triangle Exterior Angle Sum Theorem

Author:Elen, GreenMaths

Move the sliders what do you notice about the exterior angle and the interior opposite angles. you can move the sliders back and drag the points to change the shape of the triangle.

New Resources

apec
Floch, fractal, iteration, custom tool.
Domino Chain Reaction
The black friday GeoGebra :)
The Cosine Formula - Proof Without Words

Discover Resources

System of 3 Equations (3 Variables)
Investigation 1C Quiz
Dimensions-Testing for Independent Column Vectors
GilbertInit

Discover Topics

Surface
Translation
Statistical Characteristics
Scalene Triangles
Reflection