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" Straight lines which are parallel to the same straight line are parallel to one another. "
Mathematics in the Lower and Middle Commercial and Industrial Schools of ... - Page 17
by Edson Homer Taylor - 1915 - 96 pages
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Special Reports on Educational Subjects, Volumes 26-27

Great Britain. Board of Education - Education - 1912 - 1048 pages
...together equal to two right angles, then the two straight lines are parallel ; and the converse. 4. Straight lines which are parallel to the same straight...to one another. Triangles and Rectilinear Figures. 5. The sum of the angles of a triangle is equal to two right angles. 6. If the sides of a convex polygon...
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Regulations

University of Calcutta - 1914 - 430 pages
...corresponding angles equal, (iii) the interior angles on the same side of the line supplementary, then the two straight lines are parallel ; and the converse....straight line are parallel to one another. Triangles and rectilineal figures. The sum of the angles of a triangle is equal to two right angles. If the sides...
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Calendar

University of Allahabad - 1914 - 752 pages
...angles on the ваше side of the cut' ting line are together equal to two right angles, then the two straight lines are parallel ; and the converse....Straight lines which are parallel to the same straight Hoe are parallel to one another. TRIANGLES AND RECTILINEAL FIGURES. The sum of the angles of a triangle...
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Bulletin, Issues 33-43

Education - 1915 - 816 pages
...interior angles on the same side of the cutting line are together equal to two right angles, then the two straight lines are parallel; and the converse....parallel to one another. Triangles and rectilinear figureĽ. — The sum of the angles of a triangle ie equal to two right angles. If the sides of a convex...
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Plane Geometry

John Wesley Young, Albert John Schwartz - Geometry, Modern - 1915 - 252 pages
...connection with a drafting board (see Fig. 1, p. 1) or a draftsman's triangle (see Fig. 29). 81. Two straight lines which are parallel to the same straight line are parallel to each FIG. 29. other. 82. A straight line which is perpendicular to one of two parallel lines is perpendicular...
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Plane Geometry

Edith Long, William Charles Brenke - Geometry, Modern - 1916 - 292 pages
...corner, also from mid-point of side to mid-point of side, as shown in the figure. Assuming that the lines which are parallel to the same straight line are parallel to each other no matter whether they are all in the same plane or not, prove the following statements...
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Plane Geometry

Edith Long, William Charles Brenke - Geometry, Plane - 1916 - 292 pages
...corner, also from mid-point of side to mid-point of side, as shown in the figure. Assuming that the lines which are parallel to the same straight line are parallel to each other no matter whether they are all in the same plane or not, prove the following statements:...
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Calendar

University of Allahabad - 1918 - 888 pages
...ssme side of the cutting line are together equal to two right angles, then the two straight lilies are parallel ; and the converse. Straight lines which...straight line are parallel to one another. TRIANGLES AND RECTILINEAL FIGURES. The sum of the angles of a triangle is equal to two right angles. If the side...
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Theoretical Geometry: Based on the Various Geometry Books by Godfrey and Siddons

Arthur Warry Siddons, Reginald Thomas Hughes - Geometry - 1926 - 202 pages
...angles on the same side of the cutting line are together equal to two right angles . . . .10 JTHEOREM 6. Straight lines which are parallel to the same straight line are parallel to one another 11 JTHEOREM 7. If straight lines are drawn from a point parallel to the arms of an angle, the angle...
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The Examination Statutes ... Together with the Regulations of the Boards of ...

University of Oxford - Universities and colleges - 1913 - 386 pages
...interior angles on the same side of the cutting line are together equal to two right angles, then the two straight lines are parallel ; and the converse....the same straight line are parallel to one another. If there are three or more parallel straight lines, and the intercepts made by them on any straight...
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