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 TrigonometryJ.B. Lippincott, 1857 - 317 σελίδες |
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Σελίδα 12
... circle BCD , and from the cen- tre B , at the distance BA , describe the circle ACE ; and from the point C , in which the circles cut one an- other , draw the straight lines ( 1 . Post . ) CA , CB to the points A , B ; ABC is an ...
... circle BCD , and from the cen- tre B , at the distance BA , describe the circle ACE ; and from the point C , in which the circles cut one an- other , draw the straight lines ( 1 . Post . ) CA , CB to the points A , B ; ABC is an ...
Σελίδα 13
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and ... ABC , DEF be two triangles which have the two sides AB , AC equal to the two ... ABC to the triangle DEF ; and the other an- gles , to which the equal sides ...
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and ... ABC , DEF be two triangles which have the two sides AB , AC equal to the two ... ABC to the triangle DEF ; and the other an- gles , to which the equal sides ...
Σελίδα 14
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and ... ABC shall coincide with the whole triangle DEF , so that the spaces which ... ABC to the angle DEF , and the angle ACB to the angle DFE . Therefore , if two ...
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and ... ABC shall coincide with the whole triangle DEF , so that the spaces which ... ABC to the angle DEF , and the angle ACB to the angle DFE . Therefore , if two ...
Σελίδα 15
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and Spherical Trigonometry John Playfair. base of the triangle ABC : And it has also been proved that the angle FBC is equal to the angle GCB , which are the angles ...
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and Spherical Trigonometry John Playfair. base of the triangle ABC : And it has also been proved that the angle FBC is equal to the angle GCB , which are the angles ...
Σελίδα 19
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and Spherical Trigonometry John Playfair ... ABC ; then will the two angles DBA , ABC be equal to the three angles DBE , EBA , ABC ; but the angles CBE , EBD have ...
... Circle, and the Geometry of Solids: to which are Added Elements of Plane and Spherical Trigonometry John Playfair ... ABC ; then will the two angles DBA , ABC be equal to the three angles DBE , EBA , ABC ; but the angles CBE , EBD have ...
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ABC is equal ABCD adjacent angles altitude angle ABC angle ACB angle BAC base BC bisected centre chord circle ABC circumference cosine cylinder demonstrated described diameter divided draw equal and similar equal angles equiangular equilateral equilateral polygon equimultiples Euclid exterior angle fore four right angles given rectilineal given straight line greater Hence hypotenuse inscribed join less Let ABC magnitudes meet multiple opposite angle parallel parallelogram parallelopiped perpendicular plane polygon prism PROB PROP proportional proposition quadrilateral radius ratio rectangle contained rectilineal figure remaining angle right angled triangle SCHOLIUM segment semicircle shewn side BC sine solid angle solid parallelopiped spherical angle spherical triangle square straight line BC THEOR third touches the circle triangle ABC triangle DEF wherefore