Triangle Names and Angle Sum (Interior and Exterior)

Autor:Mr James Bowater, Morton Betts

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.

Nuevos recursos

Angle Addition Postulate (V2) - Integer Solutions
Right Triangle Inscribed in a Semicircle
Perpendicular Lines: Quick Exploration
Squaring a Rectangle (PST Version)
Identifying Solids Formed by Rotation

Descubrir recursos

garis bersilangan
Inscribed polygons
Andrew's Second Applet
Derivatives of Polynomial Functions
Dot Product2

Descubre temas

Rectángulo
Vectores 3D (tres dimensiones)
Fracciones
Regresión Lineal
Diagramas de árbol