## 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 sider |

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Side 262

B. XII . in the

the two prisms in the

dividing the

...

B. XII . in the

**pyramid**ABCG to the two prisms in the**pyramid**DEFH : and so arethe two prisms in the

**pyramid**OMNG to ... may be shown of the prisms made bydividing the

**pyramids**AKLO and DPRS , and of all made by the same number of...

Side 263

the base DEF , as the

is not to the base ABC as the

the base DEF , as the

**pyramid**ABCG to any solid which is less B. XII . than the**pyramid**DEFH . In the same manner it may be demonstrated , that the base DEFis not to the base ABC as the

**pyramid**DEFH to any solid which is less than the ... Side 264

See N.

to one another as their bases . ... N , be of the same altitude : as the base ABCDE

to the base FGHKL , so is the

See N.

**PYRAMIDS**of the same altitude which have polygons for their bases , areto one another as their bases . ... N , be of the same altitude : as the base ABCDE

to the base FGHKL , so is the

**pyramid**ABCDEM to the**pyramid**FGHKLN . Side 265

therefore , ex æquali c , as the base ABCDE to the base FGHKL , B. XII . so the

22. 5 . PROP . VII . THEOR . EVERY prism having a triangular base may be ...

therefore , ex æquali c , as the base ABCDE to the base FGHKL , B. XII . so the

**pyramid**ABCDEM to the**pyramid**FGHKLN . Therefore ,**pyramids**, & c . Q. E. D. c22. 5 . PROP . VII . THEOR . EVERY prism having a triangular base may be ...

Side 269

altitude of the

DEF , so is the altitude of the

wherefore the bases and altitudes of the

...

altitude of the

**pyramid**ABCG : therefore , as the base ABC to B. XII . the baseDEF , so is the altitude of the

**pyramid**DEFH to the altitude of the**pyramid**ABCG :wherefore the bases and altitudes of the

**pyramids**ABCG , DEFH are reciprocally...

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The Elements of Euclid: Viz. The First Six Books, Together With the Eleventh ... Robert Simson Ingen forhåndsvisning tilgjengelig - 2017 |

### Vanlige uttrykk og setninger

ABCD added altitude angle ABC angle BAC base Book centre circle circle ABC circumference common cone cylinder definition demonstrated described diameter divided double draw drawn equal equal angles equiangular equimultiples excess fore four fourth given angle given in position given in species given magnitude given ratio given straight line greater Greek half join less likewise magnitude manner meet multiple opposite parallel parallelogram pass perpendicular plane prisms produced PROP proportionals proposition pyramid Q. E. D. PROP radius reason rectangle rectangle contained remaining right angles segment shown sides similar sine solid solid angle sphere square square of AC taken THEOR third triangle ABC wherefore whole

### Populære avsnitt

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

Side 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.

Side 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...

Side 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.

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

Side 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.

Side 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.

Side 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.

Side 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.

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