The radius of two circular cylinder are in ratio 2 ratio 3 and their Heights are in ratio 5 ratio 4 calculate the ratio of their curved surface area
Answers
Answered by
2
Step-by-step explanation:
let the constant vale of radius and height be x and y respectively.
Given r1:r2=2x:3x
h1:h2=5y:4y
csa of cylinder1 /csa of cylinder2
πr12h1 / πr22h2
π π cancel so,
2x2 x 5y / 3x2 x 4y
20x2y / 12x2y
5/3
5:3
Similar questions