A strip of 4 cm wide is cut and removed from all the sides of the rectangularcardboard with dimensions 30 cm X 20 cm. Find the area of the removed portionand area of the remaining cardboard.

A strip of 4 cm wide is cut and removed from all the sides of the rectangular
cardboard with dimensions 30 cm X 20 cm. Find the area of the removed portion
and area of the remaining cardboard.

Match the items on the right to the items on the left.