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

Congruent Sides & Angles in △s: Exploration
Nikmati Keunggulan Di Bandar Judi Terpercaya
Pythagorean Theorem: Quick Illustrator
Function art 3D - waiting shed
seo tool

Discover Resources

<samuellipschutz_parallel>.ggb
Beginning Project SomethingorOther
Inscribed Angles of a Circle
Power of Irrational numbers
Cutting cube with an interactive plane

Discover Topics

Parabola
Set Theory
Integral Calculus
Bar Chart or Bar Graph
Quadrilaterals