Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement of the Quadrature of the Circle and the Geometry of SolidsF. Nichols, 1806 - 311 páginas |
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Página 248
... cylinder is a solid figure described by the revolution of a right angled parallelogram about one of its sides , which re mains fixed . XV . The axis of a cylinder is the fixed 248 ELEMENTS.
... cylinder is a solid figure described by the revolution of a right angled parallelogram about one of its sides , which re mains fixed . XV . The axis of a cylinder is the fixed 248 ELEMENTS.
Página 249
... cylinder is the fixed straight line about which the parallelogram revolves./ XVI . The bases of a cylinder are the circles described by the two revolving opposite sides of the parallelogram . ✓ XVII . Similar cones and cylinders are ...
... cylinder is the fixed straight line about which the parallelogram revolves./ XVI . The bases of a cylinder are the circles described by the two revolving opposite sides of the parallelogram . ✓ XVII . Similar cones and cylinders are ...
Página 270
... cylinder a straight line be drawn perpendicular to the plane of the base , it will be wholly in the cy . lindric superficies . Let ABCD be a cylinder , the circle AEB the base , DFC the circle opposite to the base , and GH the axis ...
... cylinder a straight line be drawn perpendicular to the plane of the base , it will be wholly in the cy . lindric superficies . Let ABCD be a cylinder , the circle AEB the base , DFC the circle opposite to the base , and GH the axis ...
Página 271
... cylinder , and EF a parallelepiped , having equal bases and altitudes ; the cylinder ABCD is equal to the parallelepiped EF . D C M L A 0 B G K OS PRN H If not , let them be unequal ; and , first , let the cylinder be less than the ...
... cylinder , and EF a parallelepiped , having equal bases and altitudes ; the cylinder ABCD is equal to the parallelepiped EF . D C M L A 0 B G K OS PRN H If not , let them be unequal ; and , first , let the cylinder be less than the ...
Página 272
... cylinder , which will 616.3 . Sup . be less than the cylinder , because it is within it . Through the point R let a plane RS be drawn parallel to NF , and it will cut off the parallelepiped ES equal to the prism AGBCD , because its base ...
... cylinder , which will 616.3 . Sup . be less than the cylinder , because it is within it . Through the point R let a plane RS be drawn parallel to NF , and it will cut off the parallelepiped ES equal to the prism AGBCD , because its base ...
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Términos y frases comunes
ABC is equal altitude angle ABC angle ACB angle BAC angle contained angle EDF arch base BC bisected Book centre circle ABC circumference coincide common section cylinder definition demonstrated diameter draw drawa equal angles equiangular equilateral polygon equimultiples Euclid exterior angle fore four right angles given circle given straight line greater inscribed interior and opposite join less Let ABC Let the straight meet multiple opposite angle parallelogram parallelogram ABCD perpendicular point F polygon prism PROB produced proportional proposition pyramid Q. E. D. COR Q. E. D. PROP ratio rectangle contained rectilineal figure remaining angle segment solid angle solid parallelepipeds straight line AB straight line AC Suppl THEOR third touches the circle triangle ABC triangle DEF
Pasajes populares
Página 121 - 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...
Página 42 - 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.
Página 63 - Therefore, in obtuse-angled triangles, &c. QED PROP. XIII. THEOREM. In every triangle, the square of the side subtending either of the acute angles is less than the squares of the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular let fall upon it from the opposite angle, and the acute angle.
Página 3 - 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.
Página 183 - 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 •f the ratios of their sides.
Página 3 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 291 - 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.
Página 160 - ... extremities of the base shall have the same ratio which the other sides of the triangle have to one...
Página 10 - ... shall be greater than the base of the other. Let ABC, DEF be two triangles, which have the two sides AB, AC, equal to the two DE, DF, each to each, viz.
Página 14 - Therefore, 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 extretnity equal to one another.