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Tomas Jansson · Answer 1 · 2023-03-19T07:16:34+0000

Answer:

heya! ^^

given ,

★ diameter of cylinder = 2 inches

$\therefore \: radius = (2)/(2) = 1 \: inch \\$

★ height of cylinder = 21 inches

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$surface \: area \: of \: cylinder = 2\pi \: r(r + h) \\ \\ \dashrightarrow \: 2 * 3.14 * 1(1 + 21) \\ \\ \dashrightarrow \: 2 * 3.14 * 22 \\ \\ \dashrightarrow \: 3.14 * 44 \\ \\ \dashrightarrow \: 138.16 \: inches {}^(2)$

hope helpful :D

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