Copy of Triangle Exterior Angle Sum Theorem

Author:Komal Rani, GreenMaths

Move the sliders what do you notice about the exterior angle and the interior opposite angles. you can move the sliders back and drag the points to change the shape of the triangle.

New Resources

Proving Triangles Congruent (2): One Step Transformations
Monge's Theorem
task1_lightBulb
z`]]
Let's fly!

Discover Resources

النسبة والتناسب 2
Piero della Francesca
Day 1 - Analytic Geometry different roads vers11
Section 12.8: Activity 12S
Untitled3

Discover Topics

Equilateral Triangles
Translation
Mathematics
Vectors
Geometry