In parallel lines when two lines do not intersect each other at any point even if they are extended to infinity.

Two lines which do not intersect each other at any point even if extended to infinity are called *parallel lines*.

**Thus, two lines are parallel if;**

*(i) they lie on the same plane.
(ii) they do not have any common point in between.
(iii) the distance between these two lines always remains same everywhere.*

Line l and m are parallel are parallel to each other.

The symbol for parallel lines is ||,

therefore, l || m.

Two rays are parallel if the corresponding lines determined by them are parallel.

Two segments are parallel if the corresponding lines determined by them are parallel.

**Construction of Perpendicular Lines by using a Protractor.**

**Sum of Angles of a Quadrilateral.**

**Practice Test on Quadrilaterals.**

**5th Grade Geometry Page** **5th Grade Math Problems** **From Parallel Lines to HOME PAGE**

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