Theorem. The convex surface of a truncated cone A D E B is equal to its side A D multiplied by half the sum of AB, D E, the circumferences of its two bases, fig. 219 In the plane SAB which passes through the axis Fig. 219; S O, draw the line A Fanbsp;...
|Title||:||Encyclopaedia Metropolitana: Pure sciences|
|Author||:||Samuel Taylor Coleridge|