Draw a seg `AB =4.5 cm` and draw perpendicular bisector of it.​

Draw perpendicular bisector of AB=6.4cm.

Draw perpendicular bisector of line segment AB = 7.5 cm.

Draw a perpendicular bisector of line segment AB = 8cm.

Draw seg AB of length 5.1 cm. Draw its perpendicular bisector

Draw a line AB=7.9 cm and draw perpendiculars at A and B. Are these two perpendiculars parallel to each other?