The Elements of Geometry: In which the Principal Propositions of Euclid, Archimedes, and Others are Demonstrated After the Most Easy Manner. To which is Added, a Collection of Useful Geometrical Problems. Also, the Doctrine of Proportion, Arithmetical and Geometrical, Together with a General Method of Arguing by Proportional Quantities |
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AB² ABCD AC² AD² alfo alſo arch bafes and heights baſe becauſe bifect circle whofe radius circumfcribed circumference common fection compaffes cone confequently cube curve furface cylinder decagon defcribe diagonal diameter diftance divided dodecaedron draw drawn equal angles equal bafes fame fecond fector fegment fides figure fimilar fince firft folid angle fore fphere fquare fuppofed geometrical given line greater hemifphere homologous fides hypothenufe ibid infcribed interfect laft lefs mean proportional muſt oppofite angles oppofite fides parallel parallelogram pentagon perp perpendicular plane polygon prifm PROB progreffion PROP pyramid quantities radii ratio reafon rectangle refpectively right angles right line SCHOLIUM thefe theſe thofe trapezium triangle ABC whence whole furface whoſe