Quote: parallel straight lines do not meet each other

Quotation

23. Parallel straight lines are straight lines which, being in the same plane and being produced indefinitely in both directions, do not meet one another in either direction. POSTULATES ... 1. To draw a straight line from any point to any point. ... 3. To describe a circle with any centre and distance. ... 5. That, if a straight line falling on two straight lines makes the interior angle on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles.   Google-1   Google-2

Published before 1923

Additional Titles

Quote: parallel lines meeting a straight line have an interior angle of two right angles

Related Topics

Topic: geometry (33 items)