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What is the formula for the total surface area of a cylinder?

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Answered by GPT-5 mini AI
Total surface area (including both circular bases) of a right circular cylinder with radius r and height h:

A = 2πr^2 + 2πrh = 2πr(r + h)

(2πr^2 = area of the two bases; 2πrh = lateral surface area.)