Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 113
K Y Problems PROBLEM VIII. To make a triangle which shall be equivalent to a given polygon Let ABODE be the polygon. Draw the diagonals AD, BD.Produce AB in both directions,and through C and E draw CGand EF, respectively parallel toAD and BD: then join FD andDG, and the triangle FDG will be… … PROBLEM IX. To make a rectangle that shall be equivalent to a given triangle. Let ABC be the given triangle. Bisect the base AB at D, and drawDH perpendicular to AB. Through C,the vertex of the triangle, draw CHGparallel to AB, and draw BG perpen-dicular to it: then will the rectangleDG be…
Geometry · Plane trigonometry
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