The convex surface of a truncated cone ADEB is equal to its side AD multiplied by half the sum of A B, D E, the circumferences of its two bases, fig. 219 In the plane S A B which passes through the axis Fig. 219.S O, draw the line A Fanbsp;...
|Title||:||Encyclopædia Metropolitana; Or, Universal Dictionary of Knowledge ...|
|Author||:||Edward Smedley, Hugh James Rose, Henry John Rose|