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Answer variants:
\(2 \pi r^2\)
\(2 \pi r^2 + 2 \pi r h\)
\( 2 \pi r (r + h) - \pi r^2\)
\(2 \pi r\)
1. If \(r\) be the radius and \(h\) be the height of the right circular cylinder, then the total surface area \(=\)
2. If \(r\) be the radius, then the circumference of the base of the right circular cylinder \(=\)
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