A treatise on special or elementary geometry (1877)
Olney, Edward, 1827-1887, Olney, Edward, 1827-1887. Elements of trigonometry, plane and spherical · New York : Sheldon · leaf 287
Fig. 40S. 268 EXERCISES IN GEOMETRICAL INVENTION. 748. To pass a circumfereDce through three points, not in thesame straight line, when the radius is so long as to render the ordi-nary method impracticable. SuG.—Let A, B, and C be the three points; then are M and N other points inthe same… … Fig. 409. ■N 749. From two given points on the sameside of a line given in position, to draw twolines which shall meet in that line and makeEj /tfK/g equal angles with it. i A i / SuG.—K a and/? are equal, what is the relation of !/ MEtoEF? Pig. 410.
Geometry · Trigonometry
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