Question

Plz solve the marked questions.
$please$

Answer 1

19 the question answer :

L.S.A:924

h=21

L.S.A=2πrh

924=2*π*r*21

2πr=44

πr=22

r=22*7/22

r=7 cm

v = πr²h

v=22/7*7*7*21

v=3234