Construction of Perpendicular from a Point Outside the Line by Folding Paper

Q. Select the method/methods used for constructing a perpendicular to a line from a point outside the line.

1. by folding a paper
2. using a set square
3. using a compass and ruler
4. all the above

Q. Select the method/methods used for constructing a perpendicular to a line from a point outside the line.

1. using a set square
2. by folding a paper
3. all the above
4. using a compass and ruler