Answer:
Explanation:
2-Bs: 4 x 3.8 = 15.2 2 x 15.2 = 30.4 m²
2-Cs: 11.5 x 3.8 = 43.7 2 x 43.7 = 87.4 m²
Total S.A. = 92 + 30.4 + 87.4 = 209.8 m²
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