Question

Two cylinders have their radii in the ratio of 3 : 4 and their heights in the ratio of 2 : 3.

Determine the ratio of their curved surface areas.​

Answer 1

Step-by-step explanation:

Given Cylinder radii ratio r

1

r

2

=3:4

height volume =h

1

:h

2

=4:3

volume ratio=

πr

2

2

h

2

πr

1

2

h

1

=(

r

2

r

1

)

2

×(

h

1

h

1

)

=(

4

3

)

2

×

3

4

=

4

3