The Elements of Euclid: viz. the first six books, together with the eleventh and twelfth; and also the book of Euclid's DataBell & Bradfute, 1835 - 513 Seiten |
Im Buch
Ergebnisse 1-5 von 15
Seite 187
... cone is a solid figure described by the revolution of a right . angled triangle about one of the sides containing the right angle , which side remains fixed . If the fixed side be equal to the other side containing the right angle , the ...
... cone is a solid figure described by the revolution of a right . angled triangle about one of the sides containing the right angle , which side remains fixed . If the fixed side be equal to the other side containing the right angle , the ...
Seite 188
... cone . XIX . The axis of a cone is the fixed straight line about which the triangle revolves . XX . The base of a cone is the circle described by that side contain- ing the right angle , which revolves . XXI . A cylinder is a solid ...
... cone . XIX . The axis of a cone is the fixed straight line about which the triangle revolves . XX . The base of a cone is the circle described by that side contain- ing the right angle , which revolves . XXI . A cylinder is a solid ...
Seite 259
... cone have the same base with a cylinder , viz . the cir- cle ABCD , and the same altitude : The cone is the third part of the cylinder ; that is , the cylinder is triple the cone . If the cylinder be not triple the cone , it must either ...
... cone have the same base with a cylinder , viz . the cir- cle ABCD , and the same altitude : The cone is the third part of the cylinder ; that is , the cylinder is triple the cone . If the cylinder be not triple the cone , it must either ...
Seite 260
... cone : But this d 1. Cor . 7. prism is tripled of the pyramid upon the same base , of which the vertex is the same with the vertex of the cone ; therefore the pyramid upon the base AEBFCGDH , having the same vertex with the cone , is ...
... cone : But this d 1. Cor . 7. prism is tripled of the pyramid upon the same base , of which the vertex is the same with the vertex of the cone ; therefore the pyramid upon the base AEBFCGDH , having the same vertex with the cone , is ...
Seite 261
... cone which it contains ; there- fore the pyramid upon the square ABCD , having the same vertex with the cone , is greater than the A H e 32. 11 . IB T G half of the cone . Bisect the circumferences AB , BC , CD , DA in the points E , F ...
... cone which it contains ; there- fore the pyramid upon the square ABCD , having the same vertex with the cone , is greater than the A H e 32. 11 . IB T G half of the cone . Bisect the circumferences AB , BC , CD , DA in the points E , F ...
Andere Ausgaben - Alle anzeigen
The Elements Of Euclid: Viz. The First Six Books, Together With The Eleventh ... Robert Simson,Euclid,John Davidson Keine Leseprobe verfügbar - 2019 |
Häufige Begriffe und Wortgruppen
ABCD altitude angle ABC angle BAC arch base BC BC is equal BC is given bisected Book XI centre circle ABC circumference cone cosine cylinder demonstrated described diameter draw drawn equal angles equiangular equimultiples Euclid ex æquali excess fore given angle given in magnitude given in position given in species given magnitude given ratio given straight line gles gnomon greater half the perimeter hypotenuse join less Let ABC multiple parallel parallelogram perpendicular point F polygon prism proportionals proposition Q. E. D. PROP radius rectangle CB rectangle contained rectilineal figure remaining angle right angles segment side BC similar sine solid angle solid parallelepiped spherical angle square of AC straight line AB straight line BC tangent THEOR tiple triangle ABC vertex wherefore
Beliebte Passagen
Seite 95 - 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.
Seite 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.
Seite 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.
Seite 11 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
Seite 11 - Upon the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of the base equal to one another, and likewise those which are terminated in the other extremity.
Seite 317 - Equiangular parallelograms have to one another the ratio which is compounded of the ratios of their sides.
Seite 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...
Seite 26 - IF a straight line fall upon two parallel straight 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.
Seite 11 - 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...
Seite 93 - A circle is said to be described about a rectilineal figure, when the circumference of the circle passes through all the angular points of the figure about which it is described. VII. A straight line is said to be placed in a circle, when the extremities of it are in the circumference of the circle.