# The tsa of a hallow cylinder which is open from both side is 4620cm2.area of base ring is 115.5cm2 and height is 7cm.find the thickness of the cylinder

1
by jeganuma2001

Log in to add a comment

by jeganuma2001

Log in to add a comment

tsa = 2πr^2+2πrh=4620

2*115.5+2πrh=4620

231+2πrh=4620

2πrh = 4620-231

2πr*7=4389

2πr=4620/7=627

r=627*7/44

r=99.75cm