 | Euclides - 1865 - 80 σελίδες
...straight line, and on the same side of it, are together equal to two right angles. PROPOSITION VI. THEOR. If at a point in a straight line two other straight...opposite sides of it make the adjacent angles together eqnal to two right angles, these two straight lines are in one and the same straight line. At the point... | |
 | Robert Potts - 1865 - 528 σελίδες
...QBD PROPOSITION XIV. THEOREM. lf at a paint in a straight line, two other straight lines, upon tha 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. At the point B in the straight... | |
 | Euclides - 1865 - 402 σελίδες
...npon one 5ide of it, are either two right angles, or are together equal to two right angles. Prop. 14. If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two... | |
 | Euclid, Isaac Todhunter - 1867 - 426 σελίδες
...ABC are together equal to two right angles. Wherefore, the angles &c. QEP PROPOSITION 14. THEOREM. If, at a point in a straight line, two other straight...adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line. At the point B in the straight... | |
 | Euclid, Isaac Todhunter - 1867 - 424 σελίδες
...angles &c. QED PROPOSITION 14. THEOREM. If, at a point in a straight line, two other straight line*, 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. At the point B in the straight... | |
 | Robert Potts - 1868 - 434 σελίδες
...equal to two right angles, (ax. 1.) Wherefore, when a straight line, &c. QED PROPOSITION XIV. THEOREM. If at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two rig/it angles ; then... | |
 | Henry William Watson - 1871 - 320 σελίδες
...AEC is equal to the angle BED. PROPOSITION 13. If at a point in a straight line two straight lines on opposite sides of it make the adjacent angles together equal to two right angles, or make the vertically opposite angles equal to one another, these two straight lines shall be in one... | |
 | Elias Loomis - 1871 - 302 σελίδες
...equal to that of ihe two adjacent angles BAD, DAF B~ PROPOSITION in. THEOREM (Converse of Prop. II.). If, at a point in a straight line, two other straight lines, upon me opposite sides of it, make the adjacent angles together equal to two right angles, these two... | |
 | Euclides - 1871 - 136 σελίδες
...each is called the SUPPLEMENT of the other. Thus, in both figures, L ABD is the supplement of / ABC. If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two... | |
 | Euclides, James Hamblin Smith - 1872 - 376 σελίδες
...SUPPLEMENT of the other. Thus, in both figures, / ABD is the supplement of / ABC. PROPOSITION XIV. THEOREM. If, at a. point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two... | |
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If, at a point in a 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. 
