Legendre, A. M. (Adrien Marie), 1752-1833, Brewster, David, Sir, 1781-1868, Davies, Charles, 1798-1876 · New York, Wiley & Long · leaf 178
ACB be the triangle, and BE the rectangle. On the axis, let fall the perpen-licular AI): tlie cone described bythe triangle ABD is the third part ofthe cylinder <lescribed bv the rectan-gle ÀFBD (In^p. V. CoV.) ; also thecone described by th<r triangle ADCis the third part of the cylinder… … 1500K Vllf. 179 If llie i)crj>cndicular AD falls withoutthe triangle ; the sohd described by ABCwill, ill iliat case, be the dinerence of thetwo cones described by ABJ) and ACl) ; but at the same time, the cvlinder de- scribed by BCEF will be the- ditfereiire ^ ^ ^ of the two cylinders described…
Trigonometry · Geometry
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