CSA of 1st cylinder= 2πrh
= 2π×3×2
CSA of 2nd cylinder= 2πrh
= 2π×5×3
CSA of 1st cylinder/CSA of 2nd cylinder
= 2π×3×2/2π×5×3
=6/15 or 2/5
=2:5
Ratio of CSA of both cylinders=2:5
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CSA of 1st cylinder= 2πrh
= 2π×3×2
CSA of 2nd cylinder= 2πrh
= 2π×5×3
CSA of 1st cylinder/CSA of 2nd cylinder
= 2π×3×2/2π×5×3
=6/15 or 2/5
=2:5
Ratio of CSA of both cylinders=2:5
pls mark it as a BRANLIEST ANSWER friend...