Exercises of Topic 8: Quadrilaterals (B)

Art of Problem Solving (AoPS): Introduction to Geometry, Topic 8: Quadrilaterals (B), Exercises (Selective)
Before taking the exercises, you can watch the lecture of Topic 8 (A) here: • Topic 8: Quadrilateral...
and Topic 8 (B) here: • Topic 8: Quadrilateral...
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