Question

Draw line CD. Take any point M on the line. Using a protractor, draw a line perpendicular to line CD at the point M.

Answer 1

Steps of construction:
1. Draw line CD. Take point M anywhere on the line.
2. In order to draw a perpendicular through M, place the centre of the protractor on point M.
3. Mark a point N at the 90° mark on the protractor.
4. Draw a line passing through points M and N.
5. The line MN is perpendicular to line CD at M.