Q.1 Draw a line, say AB, take a point C outside it. Through C draw a line parallel to AB using ruler and compasses only.

(i) Draw a line AB.
(ii) Take any point R on it.
(iii) Join the given point C to R and mark \(\angle \)CRA.
(iv) Mark \(\angle CRA = \angle QCB \) at C and produce to both side.
(v) PQ is the required line.