The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh and Twelfth |
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Side 18
Book I . ACB are greater than the angles ABC , ACB ; but ACD , ACB are together
equal to two right angles ; therefore the b ... Let ABC be a triangle , of which the
side AC is greater than the side AB ; the angle ABC is also greater than the angle
...
Book I . ACB are greater than the angles ABC , ACB ; but ACD , ACB are together
equal to two right angles ; therefore the b ... Let ABC be a triangle , of which the
side AC is greater than the side AB ; the angle ABC is also greater than the angle
...
Side 83
... to EA , the angle EAB is equal a to EBA ; also because AE a 5 . 1 . is equal to
EC , the angle EAC is equal to ECA ; wherefore the whole angle BAC is equal to
the two angles ABC , ACB : But FAC , the exterior angle of the triangle ABC , is ...
... to EA , the angle EAB is equal a to EBA ; also because AE a 5 . 1 . is equal to
EC , the angle EAC is equal to ECA ; wherefore the whole angle BAC is equal to
the two angles ABC , ACB : But FAC , the exterior angle of the triangle ABC , is ...
Side 94
Let ABC be the given circle , and DEF the given triangle ; w it is required to
inscribe in the circle ABC a triangle equia ... 3 . equal to the angle ABC in the
alternate segment of the circle : But HAC is equal to the angle DEF : therefore
also the ...
Let ABC be the given circle , and DEF the given triangle ; w it is required to
inscribe in the circle ABC a triangle equia ... 3 . equal to the angle ABC in the
alternate segment of the circle : But HAC is equal to the angle DEF : therefore
also the ...
Side 456
Make the angle ABC equal to EFG , and complete the parallelogram of which the
sides are AB , BC , and the construction is finished ; the rest of the composition
contains the demonstration . As the Propositions from the 13th to the 28th may ...
Make the angle ABC equal to EFG , and complete the parallelogram of which the
sides are AB , BC , and the construction is finished ; the rest of the composition
contains the demonstration . As the Propositions from the 13th to the 28th may ...
Side 492
plane BDC the straight line EF at right angles to BD , meeting DC in F , and let AF
be joined . ... 11 , ) or is the same with the spherical angle ABC : Therefore the
sine of the arch AB is to the radius as the tangent of the arch AC , to the tangent of
...
plane BDC the straight line EF at right angles to BD , meeting DC in F , and let AF
be joined . ... 11 , ) or is the same with the spherical angle ABC : Therefore the
sine of the arch AB is to the radius as the tangent of the arch AC , to the tangent of
...
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The Elements of Euclid: viz. the first six books, together with the eleventh ... Robert Simson Uten tilgangsbegrensning - 1835 |
The Elements of Euclid: Viz. the First Six Books Together with the Eleventh ... Euclides,A. Robertson Ingen forhåndsvisning tilgjengelig - 1999 |
Vanlige uttrykk og setninger
ABCD added altitude angle ABC angle BAC arch base Book Book XI centre circle circle ABC circumference common cone contained cylinder definition demonstrated described diameter difference divided double draw drawn equal equal angles equiangular equimultiples excess figure fore four fourth given angle given in position given in species given magnitude given ratio given straight line greater half join less likewise magnitude manner meet multiple opposite parallel parallelogram pass perpendicular plane prism produced PROP proportionals proposition pyramid Q. E. D. PROP radius reason rectangle rectangle contained remaining right angles segment shown sides similar sine solid sphere square square of AC taken THEOR third triangle ABC wherefore whole
Populære avsnitt
Side 47 - 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, together with the square of half the line bisected, is equal to the square of the straight line which is made up of the half and the part produced. Let the straight line AB be bisected in C, and produced to D : the rectangle AD, DB, together with the square of CB, shall be equal to the square of CD.
Side 306 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Side 26 - if a straight line," &c. QED PROP. XXIX. THEOR. See the Jf a straight line fall upon two parallel straight ti?isepropo- lines, it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and opposite upon the same side ; and likewise the two interior angles upon the same side together equal to two right angles.
Side 54 - In every triangle, the square on the side subtending either of the acute angles, is less than the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the...
Side 170 - EQUIANGULAR parallelograms have to one another the ratio which is compounded of the ratios of their sides.* Let AC, CF be equiangular parallelograms, having the angle BCD equal to the angle ECG : the ratio of the parallelogram AC to the parallelogram CF, is the same with the ratio which is compounded of the ratios of their sides. • See Note. Let BG, CG, be placed in a straight line ; therefore DC and CE are also in a straight line (14.
Side 153 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Side 30 - And because the angle ABC is equal to the angle BCD, and the angle CBD to the angle ACB...
Side 28 - 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 64 - ... than the more remote: but of those which fall upon the convex circumference, the least is that between the point without the circle and the diameter; and, of the rest, that which is nearer to the least is always less than the more remote: and only two equal straight lines can be drawn from the point into the circumference, one upon each side of the least.
Side 5 - If a straight line meet two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Bibliografisk informasjon
| Tittel | The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh and Twelfth |
| Forfatter | Euclid |
| Redaktør | Robert Simson |
| Utgiver | Bell & Bradfute, 1835 |
| Original fra | Harvard University |
| Digitalisert | 6. mai 2008 |
| Lengde | 513 sider |
| Eksporter sitat | BiBTeX EndNote RefMan |