Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of Solids ; to which are Added Elements of Plane and Spherical Trigonometry |
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Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of Solids ; to which are Added Elements of Plane and ... CA , CB to the points À , B ; ABC is an equilateral triangle .
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of Solids ; to which are Added Elements of Plane and ... CA , CB to the points À , B ; ABC is an equilateral triangle .
Σελίδα 23
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of ... each to each , viz . those to which the equal sides are opposite * Let ABC , DEF be two triangles which have the two ...
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of ... each to each , viz . those to which the equal sides are opposite * Let ABC , DEF be two triangles which have the two ...
Σελίδα 24
... of the Circle and the Geometry of Solids ; to which are Added Elements of Plane and Spherical Trigonometry John Playfair. > 5 posite , shall be equal , each to each , viz . the angle ABC to the angle DEF , and the angle ACB to DFE .
... of the Circle and the Geometry of Solids ; to which are Added Elements of Plane and Spherical Trigonometry John Playfair. > 5 posite , shall be equal , each to each , viz . the angle ABC to the angle DEF , and the angle ACB to DFE .
Σελίδα 25
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of ... to the part BCF the remaining angle ABC is therefore equal to the remaining angle ACB , which are the angles at the base ...
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of ... to the part BCF the remaining angle ABC is therefore equal to the remaining angle ACB , which are the angles at the base ...
Σελίδα 30
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of ... Again , the angle DBA is equal to the two angles DBE , EBA ; add to each of these equals the apgle ABC ; then will the ...
Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of ... Again , the angle DBA is equal to the two angles DBE , EBA ; add to each of these equals the apgle ABC ; then will the ...
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ABC is equal ABCD altitude angle ABC angle BAC arch base bisected Book called centre circle circle ABC circumference coincide common cylinder definition demonstrated described diameter difference divided double draw drawn equal equal angles equiangular Euclid exterior angle extremity fall fore four fourth given given straight line greater half inscribed interior join less Let ABC magnitudes manner meet multiple opposite parallel parallelogram pass perpendicular plane polygon prism produced PROP proportionals proposition proved radius ratio reason rectangle contained rectilineal figure right angles segment shewn sides similar sine solid square straight line taken tangent THEOR thing third touches triangle ABC wherefore whole