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.

New Resources

Model sferyczny - sześcian-ośmiościan
apec
Rose Curve
Hyperbolic Paraboloid
bewijs stelling van Pythagoras

Discover Resources

robot
Conics
Braley, Averi - Equilateral Triangle
Forum_34151_B_JavaScript-SetValue
Debbie 1.2
Blank Isometric Grid
Hole 4

Discover Topics

Numbers
Expected Value
Standard Deviation
Fractions
Continuity