Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 59
58 GEOMETRY Problems … J5T • PROBLEM VII. From a given point without a straight line tc let fall a perpendicular on the line. Let A be the given point, and BDthe given line From the point A as a centre, witha radius greater than the shortestdistance to BD, describe an arc cut-ting BD in the points B and D.Then, with B…
Geometry · Plane trigonometry
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