Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 65
64 GEOMETRY P ro b 1 e m* . angles OP A and OPB equal, beingright angles; hence, the side OB isequal to OA (Bk. I. Th. iv). In like manner it may be shownthat OC is equal to OB. IJence, acircumference described with theradius OA, will passpoints B and C. through the … Sch. This problem enables us to describe the circumferenceof a circle about a given triangle. For, we may consider thevertices of the three angles as the three points through whichthe circumference is to pass. PROBLEM XVII. 7krough a given point in the circumference of a circle, to draua tangent…
Geometry · Plane trigonometry
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