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If one side of a triangle be produced, the exterior angle is greater than either of the interior opposite angles.
The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ... - Page 28
by Robert Simson - 1806 - 518 pages

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

Robert Simson - Trigonometry - 1775 - 520 pages
...equal to four right angles. PROP. Book I. B 10. i. e 4- 1• I3. i. PROP. XVI. THEO R. IF one fide of a triangle be produced, the exterior angle is greater than either of the interior oppofite angles. Let ABC be a triangle, and let its fide BCbe produced to D,the exterior angle ACD...

## The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 520 pages
...angles. PR on. Book I. a. i0. i. S. I{. i. c-4 I. 4. t5. i. a. i6. t. PROP. XVI. THEO R. IF one fide of a triangle be produced, the exterior angle is greater than either of the interior oppofite angles. Let ABC be a triangle, and let its fide BC be produced to D, the exterior angle ACD...

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

Alexander Ingram - Trigonometry - 1799 - 351 pages
...the fame ftraight line t with ED. e i4* 13~ l* PROP. a i0. i. BooK I. PROP. XVI. THEOR. IF one fide of a triangle be produced, the exterior angle is greater than either of the interior oppoiite angles. Let ABC be a triangle, and let its fide BC be produced to D, the exterior angle ACD...

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

Robert Simson - Trigonometry - 1804
...four right angles. _ Book I. b. 15. i. c. 4. i. d. 15. i. a. in, i. , PROP. XVI. THEOR. IF one fide of a triangle- be prod.uced, the exterior angle is greater than either of the interior oppo' fite angles. Let ABC be a triangle, and let its fide BC be produced to D. the exterior angle...

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

Euclid, John Playfair - Circle-squaring - 1804 - 440 pages
...point, are together equal to four * right angles. C a PROP. Book I. . PROP. XVI. THEO R. IF one fide of a triangle be produced, the exterior angle is greater than either of the interior, and oppofite angles. - . Let ABC be a triangle, and let its fide BC be produced to D, the exterior...

## Pantologia. A new (cabinet) cyclopædia, by J.M. Good, O. Gregory ..., Volume 5

John Mason Good - 1813
...straight lines cut one another, the vertical, or opposite, angles shall be equal. Prop. XVt Theor. If one side of a triangle be produced, the exterior angle is greater than «jtherof the interior opposite angles. Prop. XVII. Theor. Any two angles of a trianд]е ore tog-.'thcr...

## The Monthly Review

...been introduced. The first note which, we find particularly objectionable is on proposition 16. viz. 'If one side of a triangle be produced, the exterior...greater than either of the interior opposite angles.' • Note 24. Euclid says, in the same nianner if the tide RC It bisected, it may be demonstrated, &c....

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

John Playfair - Circle-squaring - 1819 - 333 pages
...of straight lines meeting in one point, are together equal to four right angles. PROP. XVI. THEOR. If one side of a triangle be produced, the exterior angle is greater than either of the interior, and opposite angles. Let ABC be a triangle, and let its side BC be produced to D, the exterior angle...