Question

express root 10on the number line.

Answer 1

Take a line segment AO = 3 unit on the x-axis.   (consider 1 unit = 2cm)   

2. Draw a perpendicular on O and draw a line OC = 1 unit 

3. Now join AC with √10. 

4. Take A as center and AC as radius, draw an arc which cuts the x-axis at point E.