The complete measurer; or, The whole art of measuring .. (1789)
Hawney, William · London : Rivington · leaf 144
, will be the Diameter of a Circle equal tothe Ellipfis. Hence alfo the Segments of an EIIipi:s, and its cir-cumlcribing Circle (whofe Bafes are parallel to theconjugate Diamet(?r, and cf the fame Height), arean Piooortion one to another as their Bafes are,Thn is, B a B : b a b : : Area Seement BIB… … Chap. f. Menjuratlon of Superficies. 127 The Truth oF this may eafily be deducedfrom the lail; for tisalready proved, thata TS : TS X Nn ::circumfcribing Cir-cles Area : EllipiisArea. But n TS : TSX Nn : : TS X Nn :Q Nn. ThereforeEiiipfis Area: infcrib-eJ Circles Area : TSX Nn : n Nn. Example. Let…
Measurement · Geometry
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