Given ¯¯¯¯¯¯¯¯AB of length 7.3 cm and ¯¯¯¯¯¯¯¯¯CD of length 3.4 cm, construct a line segment ¯¯¯¯¯¯¯¯¯XY such that the length of ¯¯¯¯¯¯¯¯¯XY is equal to the difference between the lengths of ¯¯¯¯¯¯¯¯AB and ¯¯¯¯¯¯¯¯¯CD. Verify by measurement