Draw a line AB.Take a point C outside it .Through C draw a line parallel to AB,using ruler and compass.

Draw a lineAB.Mark a point C on it.Draw a line CD perpendicular to AB, using ruler and compasses.

Draw a square of side 5 cm using ruler and compass .

Draw any line segment barAB .Mark any piont M on it.Through M draw a perpendicular to bar AB .(use ruler and compass).

Draw any line segment bar PQ .Take any point R not on it.Through R draw a perpendicular to bar PQ .

Construct a line segment of length 5.6 cm using ruler and compasses.

Let l be a line and P be a point not on l. Through P, draw a line m parallel to l. Now join P to any point Q on l. Choose any other point R on m. Through R, draw a line parallel to PQ. Let this meet lat S. What shape do the two sets of parallel lines enclose?