# The total surface area of a solid right circular cylinder is 231 centimetre square its curved surface area is two third of the total surface area find the radius and height of the cylinder

1
by kushagra4

Log in to add a comment

by kushagra4

Log in to add a comment

2πrh=2/3*2πr(h+r)

2πrh=2/3*231

2πrh=77*2

2*22/7rh=154

rh=154*7/22*2

rh=49/2

rh=24•5

r=24.5/h

2πr(h+r)=231

2*22/7*24.5/h(h+24.5/h)