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11-03-2022
Mathematics

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find the surface area of a rectangular prism measuring 7yd and 3yd along the base and 9yd tall

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11-03-2022

Answer:

222 yd²

Step-by-step explanation:

Bottom and top area, each = 7 * 3 = 21 yd²

Two lateral surdaces, each = 7 * 9 = 63 yd²

Two lateral surdaces, each = 3 * 9 = 27 yd²

Total area = 2 x (21 + 63 + 27) = 222 yd²

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