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Advanced Geometry
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Advanced Applications of the Law of Sines and Cosines
Advanced Geometry Computations: Huge Area Formulas
Brahmagupta's Formula
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Brahmagupta's Formula Well, now that you've learned heron's (bashy) formula, there's another (more bashy) formula for the area of a cyclic quadrilateral given its side lengths! …
By Eric Zhang, Anish Sevekari
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