Theorem. The convex surface of a truncated cone A D E B it equal to its side A D multiplied by half the sum of A B, D E, the circumferences of its two bases, fig. 219 In the plane SAB which passes through the axis Kg. 21 9-- S O, draw the lineanbsp;...

Title | : | Encyclopaedia of pure mathematics |

Author | : | Peter Barlow, George Peacock, Dionysius Lardner, Sir George Biddell Airy, H. P. Hamilton, A. Levy, Augustus DeMorgan, Henry Mosley |

Publisher | : | - 1847 |

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