Mathematics · Geometry
Three circles of radius 7 cm are kept touching each other externally. A string is tightly tied around these three circles. Find the length of the string.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 121 + 14π cm
- 242 + 14π cm✓
- 342 + 21π cm
- 442 + 7π cm
Correct answer
42 + 14π cm
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