Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 110
110 GEOMETRY. PROPOSITION II. THEOREM. Any régulai polygon may he inscribed in a ciicUy and circum-scribed about one. Let ABCDE &c. be a regular poly-gon : describe a circle through the threepoints A, B, C, the centre being O, andOP the perpendicular let fall from it, tothe middle point of BC :…
Trigonometry · Geometry
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