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.

Nuevos recursos

רישום חופשי
Untitled
Pathway to Proof: Triangle Angles
Angle Addition: Warm Up Exercises
Fourier Lissajous (Mechanical)

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Midpoint of a line
Tangents
Diagram for pg 53 #8,9
สมการเชิงเส้นสองตัวแปร(เส้นตรง)
Center of Rotation (1)

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Cuadriláteros
Semejanza
Boceto
Distribución geométrica
Pitágoras o Teorema de Pitágoras