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]

Neue Materialien

Sum of Squares: Proof without Words
The Gardener's Circle
apec
Classifying Triangles
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

Entdecke Materialien

Thin Film interference
Concave_Mirror2
Effect of "k"
len0
TranlateThenReflect
การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ
Circle and square with the same surface according to 22/7

Entdecke weitere Themen

Pyramide
Verteilungen
Tangens
Division
Höhenschnittpunkt