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" ABC: and it has also been proved that the angle FBC is equal to the angle GCB, which are the angles upon the other side of the base. Therefore the angles at the base, &c. "
Elements of Geometry;: Containing the First Six Books of Euclid, with Two ... - Σελίδα 12
των John Playfair - 1795 - 400 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1762 - 466 σελίδες
...ABG is equal to the whole ACF, the parts of which, the angles CBG, BCF are alfo equal ; the remaining angle ABC is therefore equal to the remaining angle...fide of the bafe. Therefore the angles at the bafe, &c. Q^ED COROLLARY. Hence every equilateral triangle is alfo equiangular. PROP. VI. THEOR. IF two angles...

The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...

Robert Simson - 1775 - 520 σελίδες
...equal to the •whole ACF, the parts of which, the angles CBG, BCF, are alfo equal ; the remaining angle ABC is therefore equal to the remaining angle...fide of the bafe. Therefore the angles at the bafe, &c. QED CoRoLLARY. Hence every equilateral triangle is alfo equiangular. PROP. VI. THEO R. IF two angles...

The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 520 σελίδες
...equal to the t .' whole ACF, the parts of which, the angles CBG, BCF are alfo equal ; the remaining angle ABC is therefore equal to the remaining angle...proved that the angle FBC is equal to the angle GCB, v/hich are the angles upon the other fide of the bafe Therefore the angles at the bafe, &c. QED CoRoLLARY....

The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1781 - 466 σελίδες
...ABG is equal to the whole ACF,the parts of which, the angles CBG, BCF are alfo equal; the remaining angle ABC is therefore equal to the remaining angle...the angles at the bafe of the triangle ABC. and it it has alfo been proved that the angle FBCis equal to the angle GCB,which are the angles upon the other...

The Elements of Euclid: Viz. the First Six Books, with the Eleventh and ...

Alexander Ingram - 1799 - 351 σελίδες
...ABG is equal to the whole ACF, the parts of which, the angles CBG, BCF are alfo equal ; the remaining angle ABC is therefore equal to the remaining angle...fide of the bafe. Therefore the angles at the bafe, Sec. QED COROLLARY. Hence every equilateral triangle is alfo equiangular. PROP. VI. THEOR. IF two angles...

The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - 1804
...ABGis equal to the whole ACF, the parts of which, the angles CBG, BCF are alfo equal; the remaining angle ABC is therefore equal to the remaining angle...fide of the bafe. Therefore the angles at the bafe, &c. .Q._E. D. . CoRoLLARY. Hence every equilateral triangle is alfo equiangular. PROP. VI. THEO R....

The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid, Robert Simson - 1806 - 518 σελίδες
...is equal to the whole ACF, the parts of which, the angles CBG, BCF, are also equal ; the remaining angle ABC is therefore equal to the remaining angle ACB, which are the angles at the base of the triangle ABC: and it has also been proved that the angle FBC is equal to the angle GCB,...

The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - 1816 - 528 σελίδες
...ABG is equal to the whole ACF, the parts of which, the angles CBG, BCF are also equal ; the remaining angle ABC is therefore equal to the remaining angle ACB, which are the angles at the base of the triangle ABC : And it has also been proved that the angle FBC • • , is equal to the...

Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1819 - 333 σελίδες
...that the whole angle ABG is equal to the whole ACF, and the part CBG to the part BCF, the remaining angle ABC is therefore equal to the remaining angle ACB, which are the angles at the base of the triangle ABC : And it has also been proved, that the angle FBC is equal to the angle GCB,...

A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 372 σελίδες
...ABG is equal to the whole ACF, the parts of which, the angles CBG, BCF are alio equal ; the remaining angle ABC is therefore equal to the remaining angle ACB, which are die angles at the base of the triangle ABC. And it has also been proved that the angle FBC i» equal...




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