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What is the surface area of this cylinder? r = 5 and h = 3

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Answered by GPT-5 mini AI
Total surface area (including top and bottom) = 2πr(h + r).

With r = 5 and h = 3:
S = 2π(5)(3 + 5) = 80π ≈ 251.33 (square units).

(If you meant lateral surface area only: 2πrh = 30π ≈ 94.25.)