Triangle Exterior Angle Sum Theorem

Author: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

גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Rolling Circles and Polygons
Building Parallelograms with Set Areas
Angle Addition: Warm Up Exercises
Publish app "Public" test

Discover Resources

Lines, Planes, and Points
Exit Slip
Puzzle piece 2
Cubic roots
Range of a Herd of Cows

Discover Topics

Congruence
Trigonometric Functions
Triangles
Diagrams
Sequences and Series