Plane geometry, with problems and applications (1910)
Slaught, H. E. (Herbert Ellsworth), 1861-1937, Lennes, N. J. (Nels Johann), 1874- joint author · Boston, Allyn and Bacon · leaf 248
pw9m^^m This isornament. a common Arabic … 236 PLANE GEOMETRY. 17. In the figure ABCD is a square. Oneach side a triangle, two of whose sides areparallel to the diagonals of the square, is soconstructed that the points E, F, and G lie inthe same straight line. (a) Prove that the triangles are right isos-celes triangles. (J) What part of the…
Geometry, Plane
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