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]

Novos Materiais

Sum of Squares: Proof without Words
רישום חופשי
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Fractal Tétraèdre. Dilatation -1/2 centre triangles
Domain of f(x,y)

Descobrir recursos

Parallel and Perpendicular Lines- Lwam Tecleab
Fr-Matrices
Refraction in a Triangle
Το παράδοξο θεώρημα με τα εμβαδά τριγώνων (Ζάντζος Ι)
WITHWORTH QUICK RETURN-1

Explorar Tópicos

Perímetro
Congruência
Coordenadas
Trapézio
Paralelepípedo