## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago Vitiated These Books, are Corrected, and Some of Euclid's Demonstrations are Restored. Also, The Book of Euclid's Data, in Like Manner Corrected. viz. the first six books, together with the eleventh and twelfthMathew Carey, and sold by J. Conrad & Company, S. F. Bradford, Birch & Small, and Samuel Etheridge. Printed by T. & G. Palmer, 116, High-Street., 1806 - 518 páginas |

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Página 120

... ratio are called proportionals . N. B. When four magnitudes are proportionals , it is usually ' expressed by saying ...

... ratio are called proportionals . N. B. When four magnitudes are proportionals , it is usually ' expressed by saying ...

**triplicate ratio**of that which it has to the second , and so on , quadruplicate , & c . increasing the denomination ... Página 236

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**triplicate ratio**of their homologous sides . Let AB , CD be similar solid parallelepipeds , and the side AE homologous to the side CF : the solid AB has to the solid CD the**triplicate ratio**of that which AE has to CF. Produce AE , GE ... Página 237

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**triplicate ratio**of that which it has to the second : therefore the solid AB has to the solid KO the**triplicate ratio**of that which AB has to EX : but as AB is to EX , so is the parallelogram AG to the parallelogram GK , and the ... Página 266

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**triplicate ratio**of that of their homologous sides . Let the pyramids having the triangles ABC , DEF for their bases , and the points G , H for their vertices , be similar , and si- milarly situated ; the pyramid ABCG has to the pyramid ... Página 267

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**triplicate ratio**of that e 33. 11 . which their homologous sides have therefore the solid BGML has to the solid EHPO the**triplicate ratio**of that which the side BC has to the homologous side EF : but as the solid BGML is to the solid ...### Otras ediciones - Ver todas

### Términos y frases comunes

altitude angle ABC angle BAC base BC BC is equal BC is given bisected Book XI centre circle ABCD circumference cone cylinder demonstrated described diameter draw drawn equal angles equiangular equimultiples Euclid excess fore given angle given in magnitude given in position given in species given magnitude given point given ratio given straight line gnomon greater join less Let ABC meet multiple opposite parallel parallelogram perpendicular point F polygon prisms proportionals proposition pyramid Q. E. D. PROP radius ratio of AE rectangle CB rectangle contained rectilineal figure right angles segment sides BA similar sine solid angle solid parallelepipeds square of AC straight line AB straight line BC tangent THEOR third triangle ABC triplicate ratio vertex wherefore

### Pasajes populares

Página 30 - Any two sides of a triangle are together greater than the third side.

Página 64 - To divide a given straight line into two parts, so that the rectangle contained by the whole, and one of the parts, may be equal to the square of the other part.

Página 30 - IF, from the ends of the 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. Let...

Página 59 - PROP. VIII. THEOR. IF a straight line be divided into any two parts, tour times the rectangle contained by the whole line, and one of the parts, together with the square of the other part, is equal to the square of the straight line which is made up of the whole and that part.

Página 28 - If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles.

Página 165 - 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.

Página 19 - THE angles at the base of an isosceles triangle are equal to one another : and, if the equal sides be produced, the angles upon the other side of the base shall be equal.

Página 191 - In right angled triangles, the rectilineal figure described upon the side opposite to the right angle, is equal to the similar, and similarly described figures upon the sides containing the right angle.

Página 39 - 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 sidef. For any rectilineal figure ABCDE can be divided into as many triangles as the figure has sides, by drawing straight lines from a point F within the figure to each of its angles.

Página 180 - Therefore, universally, similar rectilineal figures are to one another in the duplicate ratio of their homologous sides.