Question

The ratio of the radii of two circles is 3 : 2. What is the ratio of their circumference?

• A. 9: 6
• B. 1: 3
• C. 3: 2
• D. 3: 1

Answer 1

Answer: (A), (C)

The correct options are
A

9: 6

C

3: 2

Circumference of circle $=2\pi r$
Hence, the ratio of circumference would be 3: 2