Answer:
424 cm²
Step-by-step explanation:
8 x 11 = 88 = 1 side
88 x 2 = 196 = 2 sides
11 x 6 =66 = 3 sides
66 x 2 = 132 = 4 sides
8 x 6 = 48 = 5 sides
48 x 2 = 96 = 6 sides
196 + 132+ 96 = 424
