Plane and solid analytic geometry; an elementary textbook (1901)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's sons · leaf 82
to the opposite sides of the triangle, and the intersec-tions of these lines are joined to the opposite vertices of thetriangle. Show that the joining lines meet in a point. 20. Prove analytically that the bisector of the interior angleof a triangle divides the opposite side into segments… … 41. In Art. 9, the polar system of coordinates was men-tioned. Let 0 be a fixed point and OA a fixed line throughit. Then the position of any pointP is fixed if the angle A OP andthe distance OP are given. Thedistance OP is called the radiusvector of the point P and is rep-resented by p. Positive…
Geometry, Analytic
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