The ratio of the volumes of two cylinders is 3:4 and that of their heights is 1: 3 find the ratio of their curved surfaces
Answers
Answered by
6
Ratio of volume of two cylinders is
V1/V2 = 3/4
Ratio of height of two cylinders is
H1/H2 = 1/3
V1/V2 = 3/4
pie R1^H/pie R2^2 H2 = 3/4
R1^2×1/R2^2×3 = 3/4
R1^2/R2^2 = 9/4
R1/R2 = 3/2
C1/C2 = 2pieR1H1/2pieR2H2
C1/C2 = R1×H1/R2×H2
C1/C2 = 3/2×1/3
C1/C2 = 1/2
C1 : C2 = 1 : 2
Similar questions