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

apec
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Trefoil Knot
Rose Curve
Fourier Lissajous (Mechanical)

Descubrir recursos

Table Tiling Task
Garis Singgung Lingkaran
Circumference and Area of a Circle
Forum-dinamic-x
Auxiliary Lines
LZ 8.9.2.2 Tessellations

Descubre temas

Sólidos
Inecuaciones
Ángulos
Pirámide
Cuadriláteros en general