Question

the volume of cylindrical vessal is 27720 cu. cm and its base radiusnis 21 cm find the curved surface area of the cylindrical vessal​

Answer 1

Answer:

2640

Step-by-step explanation:

volume of cylinder= πr²h

22/7*441*h= 27720

h=20 cm

CSA of cylinder= 2πrh

2* 22/7 * 21* 20= 2640