Internal angle sum of triangles

Author: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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巧算長方形周界
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AI for worksheet development

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Untitled
(ورقة عمل استدراجية (مهمة البرامترات
Semi circles
Test
Tangente à un cercle (intersection avec axe des abscisses)
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Variance
Distributions
Step Functions
Upper and Lower Sum or Riemann Sum
Definite Integral