Thales's theorem

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A topic known well beyond its field, found in many languages.

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Notion

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Science and technology

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What Wikipedia says

In geometry, Thales's theorem states that if A, B, and C are distinct points on a circle where the line AC is a diameter, the angle ∠ ABC is a right angle.

Excerpt from the Wikipedia article “Thales's theorem”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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