Libros Libros 31 - 40 de 168 sobre To prove that the exterior angle of a triangle is equal to the sum of the two interior...
To prove that the exterior angle of a triangle is equal to the sum of the two interior opposite angles (see fig.
A complete system of mensuration, with additions by J. Trotter - Página 144
por Alexander Ingram - 1851
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## Proceedings of the Board of Public Instruction of the City of Albany, Volumen12

1889
...are equal. 15. How does a scalene triangle differ from an equilateral triangle 7 16-18. Prove that the exterior angle of a triangle is equal to the sum of the two opposite-interior angles. I'.i. What is a right angle ? 20-22. Prove that two right angles...
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## Fundamental Problems: The Method of Philosophy as a Systematic Arrangement ...

Paul Carus - 1889 - 267 páginas
...adds to the stock of our knowledge something new, -.vhich we have not known before. In proving that the exterior angle of a triangle is equal to the sum of the two opposite interior angles of the same, we amplify our knowledge of the triangle by mere ratiocination,...
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## The Elements of Plane and Solid Geometry: With Numerous Exercises

Edward Albert Bowser - 1890 - 393 páginas
...ZABC+ZC+ZA = 2rt. Zs. (Ax. 1) QED 98. COR. 1. Since Z EBD = ZA, and Z ORE = ZC, . -.ZCBD =ZA + ZC. Hence, the exterior angle of a triangle is equal to the sum of the two opposite interior angles. 99. COR. 2. If two angles of a triangle, are given, or merely their...
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## The Common Sense of the Exact Sciences

William Kingdon Clifford - 1891 - 271 páginas
...Fio. 21. The other form into which our proposition may be thrown is that either of the exterior angles of a triangle is equal to the sum of the two interior angles opposite to it. For, in the figure, the exterior angle A c D, together with A c B, makes two...
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## Euclid's Elements of Geometry, Libros 1-6

Henry Martyn Taylor - 1893 - 504 páginas
...Construct a right-angled triangle, having given one side and the angle opposite. PROPOSITION 32. An exterior angle of a triangle is equal to the sum of the two interior opposite angles; and the sum of the three interior angles of a triangle is equal to two right angles....
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## Euclid's Elements of Geometry, Libros 1-6;Libro 11

Henry Martyn Taylor - 1895 - 657 páginas
...Construct a right-angled triangle, having given one side and the angle opposite. PROPOSITION 32. An exterior angle of a triangle is equal to the sum of the two interior opposite angles ; and the sum of the three interior angles of a triangle is equal to two right angles....
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## Syllabus of Geometry

George Albert Wentworth - 1896 - 50 páginas
...equiangular triangle, each angle is one-third of two right angles, or two-thirds of one right angle. 145. The exterior angle of a triangle is equal to the sum of the two opposite interior angles. 146. Cor. The exterior angle of a triangle is greater than either...
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## Numerical Problems in Plane Geometry: With Metric and Logarithmic Tables

Joe Garner Estill - 1896 - 161 páginas
...: AP. PB=AiPi. PiBi. Brown University, June, 1896. 1. Have you been over all the required work ? 2. The exterior angle of a triangle is equal to the sum of the opposite interior angles. 3. Find a point equidistant from two given points P and Q, and at a given...
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## Numerical Problems in Plane Geometry with Metric and Logarithmic Tables

Joe Garner Estill - 1896 - 144 páginas
...prove: AP. PB=A, PL P!Bi. Brown University, June, 1896. 1. Have you been over all the required work ? 2. The exterior angle of a triangle is equal to the sum of the opposite ulterior angles. 3. Find a point equidistant from two given points P and Q, and at a given...
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## Elements of Analytic Geometry

Joseph Johnston Hardy - 1897 - 365 páginas
...12. Two angles whose sides are perpendicular, each to each, are either equal or supplementary. 13. The exterior angle of a triangle is equal to the sum of the two opposite interior angles. 14. Two right angles are equal if the hypotenuse and an acute angle...
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