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Subject :IMO    Class : Class 6

Arrange the given steps in CORRECT order of constructing a perpendicular using ruler and compases.
Steps of construction:
1. With A and B as centres and a radius greater than AP construct two arcs, which cut each other at Q.
2. Join PQ. Then is perpendicular to l. We write
3. With P as centre and a convenient radius, construct an arc intersecting the line l at two points A and B.
4. Given a point P on a line l.

A 4-3-1-2
B 3-4-2-1
C 4-1-3-2
D 1-2-3-4

Ans 1:

Class : Class 6
how did you do thisplease explain this to me

Ans 2: (Master Answer)

Class : Class 1

The correct answer is option A. 

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