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

רישום חופשי
Advanced example 1: Colored circles
Koliko promjera?
Fractals: The Pythagoras tree
Pythagoras fractal tree: Step 1

Découvrir des ressources

Segment and Angle Bisector
Proportions and Parallel Lines
Differentiability and Continuity
Triangular Inequality – building the triangle
Editable dome

Découvrir des Thèmes

Droites
Angles
Constructions
Régression Linéaire
Congruence