Internal angle sum of triangles

Autor:mrsK

- Drag the vertices A, B, C to create different types of triangles. - Use the sliders to create copies of the same triangle and prove that the internal angles always add up to 180 degrees.

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Model sferyczny - dwunastościan-dwudziestościan
Rose Curve
Random Polar Curve (3)
Hyperbolic Paraboloid
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Ex 2.2.3
Proof 28-Redwan
SpinnerPic
Kvadratna Jednacina
Similar parallel angles

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