Class 6 Maths Basic Geometrical Ideas Perpendicular Lines

Perpendicular Lines

Two lines are said to be perpendicular when they intersect at 90 degree (right angle). Two lines AB and CD are intersecting at a common point O forming a 90-degree angle, hence we say both lines are perpendicular to each other.

Let us see an example

Referring to the above image, we can see the construction of a perpendicular scale used as a drawing tool. There are many other day to day examples for this concept.

Question: Use the figure to name: Five point , A line , Four rays , Five line segments

Solution:

Points: D, E, O, B, C

Line: DB

Rays: OD, OB, OC, OE

Line Segment: OB, OC, OE, DE, OD

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