Question

We know that how to represent √7 on number line but I NEED JUSTIFICATION ! Plz

Answer 1

Answer. 1. Draw a number line 2. Mark 0,1,2,3,4,5,6,7 and so on 3. Mark Point A on 0 and B on 7 4. Mark a Point C on AB Produced Such That AB BC= 1unit 5. Find Mid Point Of AC and Name It O 6. Taking O as Centre Draw A Semi Circle 7. Draw A Perpendicular on B (7th unit) A nd Join With Semi Circle And Name It D 9. Taking B as Centre ,BD As Radius Draw OC Arc Cutting oc Produced OC ProducedE on Obtained Represents Root of 7