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]

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Export grapfics view
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
bewijs stelling van Pythagoras
ANGLE

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More names
SchneiderL_circumcenter.ggb
F1 Coordinate 9.3C
สามเหลี่ยมปีทาโกรัส
Copia de Isothermal transformations

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Special Points
Poisson Distribution
Perimeter
General Quadrilateral
Coordinates