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Euclidea

@euclidea_app

The largest collection of interactive geometric construction problems: Euclidea, Pythagorea, Pythagorea 60°, and XSection apps (iOS/Android/Web version).

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linkhttp://www.euclidea.xyz calendar_today21-10-2014 09:44:17

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Euclidea
@euclidea_app

4 months ago

#euclidea_puzzle_283 🎓A regular nonagon is given. The three parts of the green diagonals are equal. Find the angles of the red triangle. Solutions are accepted until 13:00 UTC on Tuesday. We look forward to your answers!

#euclidea_puzzle_283 🎓A regular nonagon is given. The three parts of the green diagonals are equal. Find the angles of the red triangle. Solutions are accepted until 13:00 UTC on Tuesday. We look forward to your answers!