Mathematics · Mensuration
A rope whose thickness (diameter) is d, is wound around a peg on the floor to form a flat coil (a spiral). If the diameter of the peg is 10d, and 10 complete windings are formed, then the length of the rope is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1155 πd
- 2310 πd
- 3205 πd
- 4190 πd✓
Correct answer
190 πd
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