Question

The volume and the curved surface area of a cylinder are 1650cm cube 660 CM square find the radius and height of the cylinder

Answer 1

πr^2h=1650

r^2h=1650*7÷22

r^2h=75*7=525

rh=525÷r. ~1

2πrh=660

rh=330*7÷22=105. ~2

by equating 1 and 2

525÷r=105

r=5cm

rh=105

h=105÷5=21cm