Q. 63.7( 3 Votes )
Because a line segment has two end points with a definite length.
Because a ray has one end point and infinitely extends in one direction.
Because a line has no beginning point or end point therefore a line has not definite length.
Because a line has no beginning point or end point therefore line is the same as line .
Because a ray has one end point and infinitely extends in one direction therefore ray is not same as the ray .
In this ray has the end point A.
In this ray has the end point B.
Because a line has no beginning point or end point.
Because the set of lines intersect at the same point called concurrent lines.
Lines l, m, and n are concurrent at the common point P.
Two lines in a plane that do not intersect or touch each other at any point, they are called parallel lines.
Because parallel lines never intersect or cross one another.
Because half-line is the set of all points on a line on a given side of a given point of the line while ray is a part of line with one end point and infinitely extends in one direction.
Because two lines intersect at only one point.
Lines l and n intersect at only one point P.
Two lines are said to be parallel when
(a) they never meet
(b) they are coplanar
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