Mathematics · Mensuration
Three circles, each of radius 6 cm, are kept touching each other. A string is tightly tied around these three circles. What is the minimum length of the string?
- 136 + 20π cm
- 224 + 36π cm
- 336 + 18π cm
- 436 + 12π cm✓
Correct answer
36 + 12π cm
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