Gore, James Howard, 1856-1939 · New York, Longmans, Green, and co. · leaf 87
thisvertex will be on a circumference whose centre is at B andradius equal to b. Hence if this vertex is on both the circumferences named, itwill be at their intersection, say D. Join DC and DB, and ABDC will be the parallelogram re-quired. EXERCISES. 1. Construct a square upon a given straight… … Let ABC be the given triangle. To inscribe a circle in ABC. It is known (from 96) that the point in which the bisectorsof the angles of a triangle meet is equally distant from thethree sides of the triangle. Therefore, if this point be taken as a centre, and the distancefrom it to any one side be…
Geometry
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