The Elements of Euclid, containing the first six books, with a selection of geometrical problems. To which is added the parts of the eleventh and twelfth books which are usually read at the universities. By J. Martin |
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Seite 8
The whole is greater than its part . 10 . Two straight lines cannot inclose a space . 11 . All right angles are equal to one another . 12 . If a straight line meets two straight lines , so as to make the two interior angles on the same ...
The whole is greater than its part . 10 . Two straight lines cannot inclose a space . 11 . All right angles are equal to one another . 12 . If a straight line meets two straight lines , so as to make the two interior angles on the same ...
Seite 9
The whole is greater than its part . 10 . Two straight lines cannot inclose a space . 11 . All right angles are equal to one another . 12 . If a straight line meets two straight lines , so as to make the two interior angles on the same ...
The whole is greater than its part . 10 . Two straight lines cannot inclose a space . 11 . All right angles are equal to one another . 12 . If a straight line meets two straight lines , so as to make the two interior angles on the same ...
Seite 12
The whole triangle ABC coincides with the whole triangle DEF , and is equal to it ; also , the remaining angles of one triangle coincide with the remaining angles of the other , and are equal to them , viz . , 6.
The whole triangle ABC coincides with the whole triangle DEF , and is equal to it ; also , the remaining angles of one triangle coincide with the remaining angles of the other , and are equal to them , viz . , 6.
Seite 13
And , because the whole AF is equal to the whole AG , of which the parts AB , AC are equal , therefore 3. The remainder BF is equal to the remainder CG ( Ax . 3 ) , and FC has been proved to be equal to GB ; hence , because the two ...
And , because the whole AF is equal to the whole AG , of which the parts AB , AC are equal , therefore 3. The remainder BF is equal to the remainder CG ( Ax . 3 ) , and FC has been proved to be equal to GB ; hence , because the two ...
Seite 14
And since it has been demonstrated , that the whole angle ABG is с F E equal to the whole ACF , the parts of which , the angles CBG , BCF , are also equal ; therefore , 6. The remaining angle ABC is equal to the remaining angle ACB ...
And since it has been demonstrated , that the whole angle ABG is с F E equal to the whole ACF , the parts of which , the angles CBG , BCF , are also equal ; therefore , 6. The remaining angle ABC is equal to the remaining angle ACB ...
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The Elements of Euclid, Containing the First Six Books, with a Selection of ... Euclides Keine Leseprobe verfügbar - 2016 |
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ABCD AC is equal alternate angle ABC angle ACB angle BAC base base BC bisected centre circle ABC circumference common compounded constr Construction contained Demonstration describe diameter divided double draw equal angles equiangular equimultiples exterior angle extremities fall figure four fourth given point given straight line greater half inscribed interior join less Let ABC likewise magnitudes manner meet multiple opposite angle parallel parallelogram pass perpendicular plane polygon Problem produced proportionals proved Q.E.D. PROPOSITION ratio reason rectangle rectangle contained rectilineal figure remaining angle right angles segment shown sides similar square square on AC taken third touches the circle triangle ABC unequal wherefore whole
Beliebte Passagen
Seite 4 - If a straight line meets two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Seite 230 - If two triangles, which have two sides of the one proportional to two sides of the other, be joined at one angle, so as to have their homologous sides parallel to one another, the remaining sides shall be in a straight line. Let...
Seite 110 - The angle in a semicircle is a right angle; the angle in a segment greater than a semicircle is less than a right angle; and the angle in a segment less than a semicircle is greater than a right angle.
Seite 207 - ... triangles which have one angle in the one equal to one angle in the other, and their sides about the equal angles reciprocally proportional, are equal to one another.
Seite 267 - The areas of two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. D c A' D' Hyp. In triangles ABC and A'B'C', ZA = ZA'. To prove AABC = ABxAC. A A'B'C' A'B'xA'C' Proof. Draw the altitudes BD and B'D'.
Seite 197 - 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.
Seite 21 - If two triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to the corresponding side of the other, the triangles are congruent.
Seite 61 - If a straight line be divided into two equal, and also into two unequal parts, the squares on the two unequal parts are together double of the square on half the line and of the square on the line between the points of section. Let the straight line AB be divided into two equal parts...
Seite 30 - ... twice as many right angles as the figure has sides ; therefore all the angles of the figure together with four right angles, are equal to twice as many right angles as the figure has sides.
Bibliografische Informationen
| Titel | The Elements of Euclid, containing the first six books, with a selection of geometrical problems. To which is added the parts of the eleventh and twelfth books which are usually read at the universities. By J. Martin |
| Autor/in | Euclides |
| Herausgeber | James Martin (of the Wedgwood inst, Burslem) |
| Veröffentlicht | 1874 |
| Original von | Oxford University |
| Digitalisiert | 8. Sept. 2006 |
| Zitat exportieren | BiBTeX EndNote RefMan |