Mathematics
NULL
Medium
Question
Find the ratio of the curved surfaces of two cylinders of the same height if their radii are in the ratio 1 : 2.
A
1 : 2
✓ Official correct answer
B
1 : 4
C
1 : 8
D
2 : 1
Community credibility
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A
1 : 2
No member explanations yet for this option.
B
1 : 4
No member explanations yet for this option.
C
1 : 8
No member explanations yet for this option.
D
2 : 1
No member explanations yet for this option.
Explanation
CSA ∝ r when h is same, so the ratio is 1 : 2.