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 TrigonometryLippincott, Grambo & Company, 1854 - 317 σελίδες |
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Σελίδα 13
... Let ABC , DEF be two triangles which have the two sides AB , AC equal to the two sides DE , DF , each to each , viz . AB to DE , and AC to DF ; and let the angle BAC be also equal to the angle EDF : then shall he base BC be equal to the ...
... Let ABC , DEF be two triangles which have the two sides AB , AC equal to the two sides DE , DF , each to each , viz . AB to DE , and AC to DF ; and let the angle BAC be also equal to the angle EDF : then shall he base BC be equal to the ...
Σελίδα 14
... ABC shall coincide with the whole triangle DEF , so that the spaces which they contain or their areas are equal ... Let ABC be an isosceles triangle , of which the side AB is equal to AC , and let the straight lines AB , AC be produced ...
... ABC shall coincide with the whole triangle DEF , so that the spaces which they contain or their areas are equal ... Let ABC be an isosceles triangle , of which the side AB is equal to AC , and let the straight lines AB , AC be produced ...
Σελίδα 15
... Let ABC be a triangle having the angle ABC equal to the angle ACB ; the side AB is also equal to the side AC . For , if AB be not equal to AC , one of them is greater than the other : Let AB be the greater , and from it cut ( 3. 1 ...
... Let ABC be a triangle having the angle ABC equal to the angle ACB ; the side AB is also equal to the side AC . For , if AB be not equal to AC , one of them is greater than the other : Let AB be the greater , and from it cut ( 3. 1 ...
Σελίδα 16
... Let ABC , DEF be two triangles having the two sides AB , AC , equal to the two sides DE , DF , each to each , viz . AB to DE , and AC to DF ; D G A A B C E F and also the base BC equal to the base EF . The angle BAC is equal to the ...
... Let ABC , DEF be two triangles having the two sides AB , AC , equal to the two sides DE , DF , each to each , viz . AB to DE , and AC to DF ; D G A A B C E F and also the base BC equal to the base EF . The angle BAC is equal to the ...
Σελίδα 19
... Let the straight line AB make with CD , upon one side of it the angles CBA , ABD ; these are either two right angles ... ABC ; then will the two angles DBA , ABC be equal to the three angles DBE , EBA , ABC ; but the angles CBE , EBD ...
... Let the straight line AB make with CD , upon one side of it the angles CBA , ABD ; these are either two right angles ... ABC ; then will the two angles DBA , ABC be equal to the three angles DBE , EBA , ABC ; but the angles CBE , EBD ...
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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 Let the straight magnitudes meet multiple opposite angle parallel parallelogram parallelopiped perpendicular 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 touches the circle triangle ABC triangle DEF wherefore