If a right circular cone has height 56 cm and base radius 42 cm, then its curved surface area, in square centimeters, is
(Take π = \(\frac{22}{7}\))
1
1320
2
2640
3
4620
4
9240
If a right circular cone has height 56 cm and base radius 42 cm, then its curved surface area, in square centimeters, is
(Take π = \(\frac{22}{7}\))