A big rectangle is made up of 81 small rectangles. After removing some small rectangles from the big rectangle, the given figure is obtained. The length of a small rectangle is 3 cm and its breadth is 2 cm. Find the total area of the rectangles removed.

A big rectangle is made up of 81 small rectangles. After removing some

1.	A big rectangle is made up of 81 small rectangles. After removing some small rectangles from the big rectangle, the given figure is obtained. The length of a small rectangle is 3 cm and its breadth is 2 cm. Find the total area of the rectangles removed.
A.	81 sq. cm
B.	114 sq. cm
C.	129 sq. cm
D.	90 sq. cm
Answer» C. 129 sq. cm