The synoptical Euclid; being the first four books of Euclid's Elements of geometry, with exercises, by S.A. Good |
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Side 9
AB to DE , and AC to DF ; and the angle BAC equal to the angle EDF : the base
BC shall be equal to the base EF ; and the triangle ÅBC to the triangle DEF ; and
the other angles , to which the equal sides are opposite , shall be equal , each to
...
AB to DE , and AC to DF ; and the angle BAC equal to the angle EDF : the base
BC shall be equal to the base EF ; and the triangle ÅBC to the triangle DEF ; and
the other angles , to which the equal sides are opposite , shall be equal , each to
...
Side 13
The angle BAC is equal to the angle EDF . А D G B D For if the triangle ABC be
applied to DEF , so that the point B be on E , and the straight line BC upon EF ; 1 .
The point C shall coincide with the point F , because BC is equal to EF ; therefore
...
The angle BAC is equal to the angle EDF . А D G B D For if the triangle ABC be
applied to DEF , so that the point B be on E , and the straight line BC upon EF ; 1 .
The point C shall coincide with the point F , because BC is equal to EF ; therefore
...
Side 14
The angle DAF is equal to the angle EAF ; wherefore 4 . The angle BAC is
bisected by the straight line AF . Which was to be done . PROP . X. - PROBLEM .
To bisect a given finite straight line , that is , to divide it into two equal parts . Let
AB be ...
The angle DAF is equal to the angle EAF ; wherefore 4 . The angle BAC is
bisected by the straight line AF . Which was to be done . PROP . X. - PROBLEM .
To bisect a given finite straight line , that is , to divide it into two equal parts . Let
AB be ...
Side 19
Let ABC be a triangle , and let its side BC be produced to D , the exterior angle
ACD is greater than either of the interior opposite angles CBA , BAČ . A T D B
Bisect ( I. 10. ) AC in E , join BE and produce it to F , and make EF equal to BE ;
join ...
Let ABC be a triangle , and let its side BC be produced to D , the exterior angle
ACD is greater than either of the interior opposite angles CBA , BAČ . A T D B
Bisect ( I. 10. ) AC in E , join BE and produce it to F , and make EF equal to BE ;
join ...
Side 20
Any two angles of a triangle are together less than two right angles . ... А C B D
Produce BC to D ; and because ACD is the exterior angle of the triangle ABC , ( I.
16. ) 1 . ACD is ... BAC , ACB , as also CAB , ABC , are less than two right angles .
Any two angles of a triangle are together less than two right angles . ... А C B D
Produce BC to D ; and because ACD is the exterior angle of the triangle ABC , ( I.
16. ) 1 . ACD is ... BAC , ACB , as also CAB , ABC , are less than two right angles .
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The Synoptical Euclid; Being the First Four Books of Euclid's Elements of ... Uten tilgangsbegrensning - 1854 |
Vanlige uttrykk og setninger
ABCD AC is equal AF is equal angle ABC angle ACB angle BAC angle BCD angle equal base base BC bisected centre circle ABC circumference coincide common cuts the circle demonstrated describe diameter distance divided double draw equal angles exterior angle extremity fall figure four given circle given point given straight line given triangle greater impossible inscribed join less Let ABC likewise manner meet opposite angles parallel parallelogram pass pentagon perpendicular point F PROBLEM produced Q.E.D. PROP reason rectangle contained rectilineal figure remaining angle required to describe right angles segment semicircle shown sides square of AC straight line AC THEOREM touches the circle triangle ABC twice the rectangle wherefore whole
Populære avsnitt
Side 26 - If two triangles have two angles of the one equal to two angles of the other, each to each ; and one side equal to one side, viz. either the sides adjacent to the equal...
Side 22 - If from the ends of a side of a triangle, there be drawn two straight lines to a point within the triangle, these shall be less than the other two sides of the triangle, but shall contain a greater angle.
Side 32 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Side 1 - A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. vm. "A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in the same direction.
Side 97 - If from any point without a circle two straight lines be drawn, one of which cuts the circle, and the other touches it ; the rectangle contained by the whole line which cuts the circle, and the part of it without the circle, shall be equal to the square of the line which touches it.
Side 7 - AB; but things which are equal to the same are equal to one another...
Side 14 - To bisect a given finite straight line, that is, to divide it into two equal parts. Let AB be the given straight line : it is required to divide it intotwo equal parts.
Side 53 - IF a straight line be divided into any two parts, the squares of the whole line, and of one of the parts, are equal to twice the rectangle contained by the whole and that part, together with the square of the other part.
Side 41 - To a given straight line to apply a parallelogram, which shall be equal to a given triangle, and have one of its angles equal to a given rectilineal angle.
Side 52 - If a straight line be bisected, and produced to any point; the rectangle contained by the whole line thus produced, and the part of it produced...
Bibliografisk informasjon
| Tittel | The synoptical Euclid; being the first four books of Euclid's Elements of geometry, with exercises, by S.A. Good |
| Forfatter | Euclides |
| Redaktør | Samuel A Good |
| distribuert | 1853 |
| Original fra | Oxford University |
| Digitalisert | 7. sep 2006 |
| Eksporter sitat | BiBTeX EndNote RefMan |