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