Digital ACT Math Practice Question #2100
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Surface area of cylinder has 3 pieces: top (25π) + bottom (25π) + side (100π) = 150π.
The total surface area of a cylinder is $A = 2\pi r^2 + 2\pi r h = 2\pi(5^2) + 2\pi(5)(10) = 50\pi + 100\pi = 150\pi$....
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