Question

Perpendicular lines can be constructed using:

• A. only compass
• B. only ruler
• C. ruler and set squares
• D. only set squares

Answer 1

The correct option is C

ruler and set squares

(1) Place the set-square on the line AB and the ruler.

(2) Slide the set-square along the length of the ruler until the other edge of the set-square passes through point K.

(3) Lastly Draw HK.

HK is perpendicular to AB.