Please answer and explain (surface area)
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Answer:
475 cm^2
Step-by-step explanation:
Base: 6 × 17 = 102
Left-most face: 6 × 11 = 66
Top face: 6 × 20 = 120
Front/Back faces: 11 × 17 = 187
Add: 102 + 66 + 120 + 187 = 475