The length of the rectangle is equal to the side of the square. The breadth of the rectangle is 12 cm. If the side of the square is reduced by 4 cm then the new area of the square is 20 cm less than the original area of the rectangle. Find the area of the rectangle.
1
216 cm²
2
116 cm²
3
278 cm²
4
126 cm²
5
206 cm²