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]

새 자료

רישום חופשי
Untitled
Random Polar Curve (1)
General Polar Equation of Conics with Rotation (1)
Row and Column Views of Systems of Linear Equations

자료 찾기

day 9
FHS- Mosier- Centers of Triangles
Isosceles Trapezoid Template
shifted_parabola_for_webwork
PROOF OF Proposition 17

주제 찾기

Sine
방정식
극한
각기둥
유리수