Answer:
412 cm²
Step-by-step explanation:
Small r prism (pink): 3*8 + 3*6 + 3*8 + 3*6 + 6*8 = 132
Large r prism (blue): 2*12 + 2*10 + 2*12 + 2*10 + 12*10 + (12*10 - 6*8) = 280
Total: 132 + 280 = 412 cm²
