Question

math help help

please help
MY Answer is not matching with answersheet.........​

Answer 1

Answer:

hello...

circumstances =2πr=66cm2

2×22/7×r=66

r=66×7/2×22

r=21/2

C.S.A of cylinder =2πrh=2640

66×h=2640 (2πr=66 given circumferenc

h=2640/66

h=40

volume of cylinder =πr2h

=22×21×21×40/7×2×2

=13860 cm3

I hope it will help your