Mathematics · Geometry
In a circle with centre O, arc CD subtends an angle of 60° at the centre of the circle whose radius is 21 cm. Calculate the length of arc CD (Take π = 227).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 cm
- 218 cm
- 324 cm
- 422 cm✓
Correct answer
22 cm
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