Topic 8: Quadrilaterals (B)

Art of Problem Solving (AoPS): Introduction to Geometry, Topic 8 (B) (Lecture)
The concepts related to Quadrilaterals (B), including rectangles, squares, "If and Only If", quadrilateral problems, etc.
After watching this lecture, you can try these exercises related to this topic here: • Exercises of Topic 8: ...
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