Question

Show square root 5.2 on number line.

Help me in this ​

Answer 1

Sol : Mark the distance 5.2 from a fixed point A on a given line to obtain a point B such that AB = 5.2 units . From B mark a distance of 1 unit and mark the new point as C.Find the mid point of AC and mark that point as 'O'.Draw a semi circle with centre O and radius OC. Draw a line perpendicular to AC passing through B and Intersecting the semi-circle at D.Then BD = √5.2 .