Lesson 86. Properties of Parallel Lines

T6-criterion for parallel lines

[bgcolor=orange] If two lines are intersected by a third line, and alternate interior (or exterior) angles are equal, then the original two lines are parallel. [/bgcolor]

Nuevos recursos

bewijs stelling van Pythagoras
רישום חופשי
Pitfalls of Disk/Washer Method
Equation of Locus - Parabola
Exploring GeoGebra for the First Time

Descubrir recursos

Paralelogram
Rotation of a Function 360º Around x-axis
Congruent Triangles Exploration 5
Tetrahedron,n=4. Polyhedra with extreme distribution of equivalent vertices.
Sliceform of polyhedrons

Descubre temas

Figuras planas
Parábola
Regresión Lineal
Gráfica de Funciones
Círculo