Mathematics
Medium
Question
There are two circles of different radii. The area of a square is 196 sq.cm, whose side is half the radius of the larger circle. The radius of the smaller circle is three-seventh that of the larger circle. What is the circumference of the smaller circle ?
A
12 π cm
B
16 π cm
C
24 π cm
✓ Official correct answer
D
32 π cm
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A
12 π cm
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B
16 π cm
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C
24 π cm
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D
32 π cm
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