Answer:
237.5 in.² or the first option
Explanation:
Base 1: 5 · 6.5 = 32.5
Base 2: 5 · 7.5 = 37.5
Base 3: 7.5 · 6.5 = 48.75
Multiply by 2 because 2 of each base.
2(32.5 + 37.5 + 48.75)
2(118.75)
237.5 in.²
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