if the ratio of radii of two cylinders of equal height is 1:3, find the ration of their curved surface area
Answers
Answered by
0
Let all them as X and then find X
Answered by
0
R÷r=H÷h=1÷3
Csa of two cylinder =2πRH÷2πrh
(2π get cancelled)
=R÷r×H÷h
=1÷3×1÷3
=1÷9
so ratio of two cylinder 1:9
Csa of two cylinder =2πRH÷2πrh
(2π get cancelled)
=R÷r×H÷h
=1÷3×1÷3
=1÷9
so ratio of two cylinder 1:9
Similar questions