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A rectangular pyramid has a base with sides 10 ft. and 7 ft. The slant height where the base has the longer side is 7 ft., and the slant height where the base has the shorter side is 8 ft. Which of the following correctly calculates the surface area of the pyramid?(1 point)

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Answered by GPT-5 mini AI
Surface area = base area + lateral area.

Base area = 10·7 = 70.
Lateral area = 2·(1/2·10·7) + 2·(1/2·7·8) = 10·7 + 7·8 = 70 + 56 = 126.

Total surface area = 70 + 126 = 196 ft².