The length of the rectangle is a cm and its breadth is (a - 4) cm and the square whose side is (a - 5) cm. If the side of the square is increased by 20%, then the sum of the area of the square and the area of the rectangle will be 309 cm2. Find the sum of the perimeter of the rectangle and the actual square.
1
76 cm
2
92 cm
3
84 cm
4
98 cm
5
80 cm