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To inscribe a circle in a given triangle. Let ABC be the given triangle. Bisect the angles A and B by the lines AO and BO, meeting at the point 0.
Elements of Geometry and Trigonometry - Page 64
by Adrien Marie Legendre - 1837 - 359 pages

## Elementary Geometry: Plane

James McMahon - Geometry, Plane - 1903 - 380 pages
...[Use the method and proof of 20.] INSCRIPTION AND CIRCUMSCRIPTION Inscribed circle. 101. PROBLEM 8. To inscribe a circle in a given triangle. Let ABC be the triangle in which it is required to inscribe a circle. Bisect any two of the internal angles, say B...

## Plane and Solid Geometry

George Albert Wentworth - Geometry - 1904 - 496 pages
...called the circum-centre of the triangle. BOOK II. PLANE GEOMETRY. PROPOSITION XXXVI. PROBLEM. 315. To inscribe a circle in a given triangle. Let ABC be the given triangle. Bisect the AA and C. § 304 From E, the intersection of the bisectors, draw EH J- to the side AC. § 300 From...

## A School Geometry, Parts 1-4

Henry Sinclair Hall - 1908 - 286 pages
...point of intersection being the centre of the circle circumscribed about the triangle. PROBLEM 26. To inscribe a circle in a given triangle. Let ABC be the triangle, in which a circle is to be inscribed. Construction. Bisect the I.'ABC, ACB by the st. lines...