As shown in the figure, the perimeter of square a is 24 cm, and that of square B is 12 cm. What is the perimeter of the figure made up of a and B?

As shown in the figure, the perimeter of square a is 24 cm, and that of square B is 12 cm. What is the perimeter of the figure made up of a and B?

24 + 12-12 △ 4 × 2 = 24 + 12-6 = 36-6 = 30 (CM); a: the perimeter of the figure made up of a and B is 30 cm