Elements of geometry and trigonometry. Revised and adapted to the course of mathematical instruction in the United States (1856)
Legendre, A. M. (Adrien Marie), 1752-1833, Davies, Charles, 1798-1876 · New York : A.S. Barnes · leaf 199
nes parallel to theplanes of the bases; the coriesponding sections formed bythese j)lanes in the two j^yramids are respectively equiva^lent, namely, JJFF to drf, GUI to gin] &c. (i». 3, a 2). This being done, upon the triangles ABC, 1)K1\ GIII^kc, taken as bases, construct exterior prisms…
Geometry · Trigonometry
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