 | Great Britain. Board of Education - 1912 - 632 páginas
...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 line are parallel to one another. Triangles and Rectilinear Figures. 5. The sum of the angles of a triangle is equal to two right angles.... | |
 | Great Britain. Board of Education - 1912 - 1044 páginas
...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 line are parallel to one another. Triangles and Rectilinear Figures. 5. The sum of the angles of a triangle is equal to two right angles.... | |
 | University of Calcutta - 1914 - 430 páginas
...the same side of the line supplementary, then the two straight lines are parallel ; and the converse. Straight lines which are parallel to the same 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.... | |
 | 1915 - 816 páginas
...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 line are parallel to one another. Triangles and rectilinear figure». — The sum of the angles of a triangle ie equal to two right angles.... | |
 | Edson Homer Taylor - 1915 - 552 páginas
...are together equal to two right angles, then tha two straight lines are parallel; and the converse. Straight lines which are parallel to the same straight line are parallel to one another. Triangles and rectilinear figures. —The sum of the angles of a triangle is equal to two right angles.... | |
 | United States. Office of Education - 1915 - 1296 páginas
...are together equal to two right angles, then tha two straight lines are parallel; and the converse. Straight lines which are parallel to the same straight line are parallel to one another. Triangles and rectilinear figures. — The sum of the angles of a triangle is equal to two right angles.... | |
 | John Wesley Young, Albert John Schwartz - 1915 - 250 páginas
...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... | |
 | 1944 - 732 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
 | Edith Long, William Charles Brenke - 1916 - 292 páginas
...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... | |
 | Edith Long, William Charles Brenke - 1916 - 292 páginas
...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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Straight lines which are parallel to the same straight line are parallel to one another. Triangles and Rectilinear Figures. The sum of the angles of a triangle is equal to two right angles. 
