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

גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
רישום חופשי
Tracing an Ellipse Using Two Circles
bewijs stelling van Pythagoras
Assistants (custom GPTs or Gemini Gems) for Math

Descubrir recursos

Quadratic Graphs
Regression Analysis
Find the Elapsed Time using 'Hours, Minutes & Seconds'
Groject Graph
Interpreting Picture Graph Symbols

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Fractales
Triángulos Isósceles
Programación Lineal
Círculo
Moda