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Math
Advanced Topics
Advanced Geometry
Advanced Plane Geometry
Advanced Triangle Centers
Olympiad Triangle Geometry
Shared Hypotenuse as Common Diameter
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Given that there are 2 opposite right angles in a quadrilateral, the quadrilateral is cyclic. This is so because opposite angles sum up to 180∘180^\circ180∘. Here's an example d…
By Freya Edholm, Yang Liu
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