Question

The increase in the curved surface area of a cylinder if it s radius is tripled and height is doubled _______________

Answer 1

Answer:

Step-by-step explanation:

when ,radius =r

height=h

CSA = 2*22/7*r*h

When , radius=3r

height=2h

CSA = 2*22/7*3R*2H

        =6*2*22/7*R*H

NEW CSA IS 6 TIMES THAT OF FIRST .

HOPE IT HELPS.........