Three circles of diameter 10 cm each are bound together by...

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Three circles of diameter 10 cm each are bound together by a rubber band as shown in the figure.

The length of the rubber band (in cm) if it is stretched is

A. 30

B. 30 + 10π

C. 10π

D. 60 + 20π

Answer: Option B

Solution (By Examveda Team)

Length of rubber band
= 3d + 2πr
= 30 + 10π

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