Triangle Names and Angle Sum (Interior and Exterior)

Thema:Gleichseitige Dreiecke, Gleichschenklige Dreiecke, Rechtwinklige Dreiecke, Allgemeine Dreiecke, Dreiecke

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.

Neue Materialien

Building Triangles with Set Areas
Perimeter of Rectangle
Area of a Circle Illustrated
Building Trapezoids with Set Areas
apec

Entdecke Materialien

Triangle to Rectangle
Start, Perpendicular to line from point not on line
Build a Wave and Hear It
Flatarmál en ekkert stofnfall
The fragmentation of the solid

Entdecke weitere Themen

Winkel
Cosinus
Stetigkeit
Grundrechenarten
Diagramme