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" If, at a point in a straight line, two other straight lines, on the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. "
Elements of geometry, based on Euclid, book i - Page 24
by Edward Atkins - 1877 - 57 pages
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Elements of Geometry and Conic Sections

Elias Loomis - Conic sections - 1857 - 242 pages
...sides of it, make the adjacent angles together equal to two right angles, these two straight lines are in one and the same straight line. At the point B, in the straight line AB, let the two straight linns BC, BD, upon the opposite sides of AB, make the adjacent angles, ABC, ABD, together equal to...
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Elements of Geometry and Conic Sections

Elias Loomis - Conic sections - 1858 - 256 pages
...sides of it, make the adjacent angles together equal to two right angles, these two straight lines are in one and the same straight line. At the point B, in the straight line AB, let the two straight linos BC, BD, upon the opposite sides of AB, make the adjacent angles, ABC, ABD, together equal to...
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The Practice of Engineering Field Work, Applied to Land, Hydrographic, and ...

W. Davis Haskoll - Civil engineering - 1858 - 422 pages
...straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. The 15th, Book I. If two straight lines cut one another, the vertical or opposite angles shall be equal....
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Elements of Geometry: Containing the First Six Books of Euclid : with a ...

John Playfair - Geometry - 1860 - 334 pages
...sides of it, make the adjacent angles together equal to two right angles, these two straight lines are in one and the same straight line. At the point B...lines BC, BD upon the opposite sides of AB, make the adjacnnt angles ABC, ABD equal togethe. to two right angles. BD is in the same straight line with CB....
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Euclid's Elements of plane geometry [book 1-6] explicitly enunciated, by J ...

Euclides - 1860 - 288 pages
...straight line, two other straight lines, upon tlie opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. Given that at the point B in the straight line AB, the two straight lines BC and BD, upon the opposite...
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The examination papers as set for the preliminary literary examination of ...

Royal college of surgeons of England - 1860 - 332 pages
...line, two other straight lines upon the opposite sides of it make the adjacent angles together .jequal to two right angles, these two straight lines shall be in one and the same straight line. 4. Make a triangle of which the sides shall be equal to three given straight lines. Can this be always...
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The popular educator, Volume 1

Popular educator - 1860 - 424 pages
...point ma straight line two other straight lineĽ malte the two angles on opposite sides of it, together equal to two right angles, these two straight lines shall be in the same straight line ; but if they make two right angles on the same side of it, they shall coincide...
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Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862 - 140 pages
...straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. (References — Prop. I. 13; ax. 1, 3.) Hypothesis. — At the point B in the straight line AB, let...
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The school Euclid: comprising the first four books, by A.K. Isbister

Euclides - 1862 - 172 pages
...lines, Upon the opposite sides of it, make the adjacent angles together equal to two right angles, then these two straight lines shall be in one and the same straight line. (References — Prop. i. 13; ax. 1, 3.) At the point B in the straight line AB, let BC, BD, upon the...
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Responsions

University of Oxford - Education, Higher - 1863 - 316 pages
...straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. 4. At a given point in a given straight line, make a rectilineal angle equal to a given rectilineal...
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