Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 65
s 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 line to… … PROBLEM XVIII. Thrwgh a given point without the circumference, to draw otangent line to thecircle. BOOK 11. 65 Problems Let C be the centre of the circle, andA the given point without the circle. Join A and the centre C, and on A Cas a d.ameter, describe a circumference.Ihrough ihe points B and D…
Geometry · Plane trigonometry
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