Topic 8: Quadrilaterals (A)

Art of Problem Solving (AoPS): Introduction to Geometry, Topic 8 (A) (Lecture)
The concepts related to Quadrilaterals (A), including quadrilateral basics, trapezoids, parallelograms, rhombi, etc.
After watching this lecture, you can try these exercises related to this topic here: • Exercises of Topic 8: ...
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