Given a point A on a circle and another point I in the interior of the circle, find two other points B, C on the circle so that I is the incentre of the triangle ABC. Find B and C as the intersection points between the given circle and some other circle.
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Given A on a circle and I in the interior of the circle, find two other points B, C on the circle so that I is the incentre of the triangle ABC. Find B and C as the intersection points between the given circle and some other circle. https://t.co/I37KBwSi7G By @MarshallWBuck pic.twitter.com/4pAyeL1iSd
— Mirangu (@Mirangu1) April 30, 2024
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See also “Trillium theorem” (e.g. at wikipedia)