| Gilbert Dyer - 1770 - 240 sider
...704661-175765807302173318i8649536968 folid •% Miles. 303. Tofindthe SOLIDITY ef any FRUSTRUM or ZONE of a SPHERE, -i' To half the Sum of the Squares of the Top and Bottom Diameters add tivo-thiids of the Square of the Altitude ; mulH 4 tiply thi< Sum, the Altitude, and... | |
| Joseph Bateman - 1852 - 376 sider
...8-9783 7-3964 5-7614 4-1334 2-4483 -8448 To find the content of a zone or frustum of a sphere * — To half the sum of the squares of the top and bottom diamcters, add two-thirds of the square of the height ; multiply * EXAMPLES OF THE ZONE On FRUSTUM... | |
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