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Lines and Angles

    Intersecting Lines and Non-intersecting Lines

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9th class > Lines and Angles > Intersecting Lines and Non-intersecting Lines

Intersecting Lines and Non-intersecting Lines

Activity: Take a piece of paper and randomly, draw any number of pairs of lines.There will always be two types of lines that we would encounter:

(1) Intersecting Lines

(2) Parallel Lines

Intersecting Lines
Parallel Lines

Above we can see that lines PR and QS are lines in the first figure and PQ and RS are lines in the second figure with the line extends indefinitely in both directions.

For parallel lines, the lengths of the common perpendiculars at different points along the line are the same and this length is called the distance between two parallel lines.