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6th class > Basic Geometric Ideas > Intersecting Lines

Intersecting Lines

  1. Intersecting lines: In the drawing panel, four points are given.Connect points A to D and points B to C with straight lines.

Two lines l and m as shown above, intersect each other and coincide at common intersection point O.

From what we have seen so far, we can deduce that when two lines intersect each other, they share a point. That point is called the point of intersection and the pair of lines are intersecting lines

Can you think of any examples of intersecting lines you might have observed in real-life?

Notebook Edge
Crossroads
Railway Track
Racing Track

Activity

Take a sheet of paper and make two folds, creasing them to represent a pair of intersecting lines. Now think about this-

In the canvas below draw two striaght lines such that they intersect and answer the question given below:

(a) Can two lines intersect in more than one point?

Non-straight curves can intersect more than once but not straight curves.
If you have two distinct lines, and they intersect, they will do so at a single unique point.

(b) Can more than two lines intersect in one point?

Infinitely many straight lines can share the same point and intersect at it.
This point of intersection is known as the concurrent point.