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

Volume by Disk/Washer around y
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Equation of Locus - Parabola
Making New Year's resolutions for 2026
Locus Related to Descartes' Folium

Descubrir recursos

Level 9 Portfolio Riemann Sum
MorceauxCouleur
Constructing Triangles with Geogebra
Practice drawing parallel and perpendicular lines
Adición de fracciones

Descubre temas

Hipérbola
Diagrama de cajas
Límites
Operaciones Aritméticas
Secciones Cónicas