Exercises on Euclid and in modern geometry for the use of schools, private students, and junior university students (1881)
McDowell, James L · Cambridge, Deighton, Bell, and Co. · leaf 45
same way as the last. When the given difference lies between the triangles ACB andCAD, or is less than the triangle CAD, besides the straight linesalready found (in Fig. 7) which are parts of the locus of P, a fixedstraight line parallel to AB and at the side remote from P willform the remaining… … 22.] AND IN MODERN GEOMETRY. 17 the areas of the two triangles is half the parallelogram ABDC.The definition of locus (19) may be extended so as to embrace thisand similar cases, or the problem may, in such cases, be consideredindeterminate. When the base and area of a parallelogram aregiven, the…
Geometry
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