Triangle Names and Angle Sum (Interior and Exterior)

Thème :Triangles Equilatéraux, Triangles Isocèles, Triangles Rectangles, Triangles Scalènes, Triangles

How to name triangles. The conditions for naming triangles. Proof the sum of interior (inside) angles = 180 deg. Proof the other two angles equal exterior angle.

Nouvelles ressources

Perimeter of Rectangle
Building Figures with Set Areas
Area of a Trapezoid
Mondrian's Puzzle
Building Parallelograms with Set Areas

Découvrir des ressources

Concave and Convex Mirrors
Alternate Interior Angles Theorem
Activity 5.2
Problem 7: Estimating Angles

Découvrir des Thèmes

Calcul Intégral
Droite Sécante ou Sécante
Symétrie
Pythagore ou Théorème de Pythagore
Sections Coniques