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Omni-MATH / Cyclic pentagon ABCDE has a right angle ∠ABC=90^(∘) and side lengths AB=15 and BC=20. Supposing that AB=DE=EA, find CD. · Discussion

Discussing Cyclic pentagon ABCDE has a right angle ∠ABC=90^(∘) and side lengths AB=15 and BC=20. Supposing that AB=DE=EA, find CD. · Omni-MATH

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