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In a circle of radius 6 cm, a chord subtends an angle of 120° at the centre. Find the length of the chord.

Competition practiceGeometry
  • A6√3 cm
  • B6 cm
  • C12 cm
  • D3√3 cm

Step-by-Step Solution

The perpendicular from O bisects the chord and the 120° angle. Half the chord is cm, so the chord is cm.
Answer: A) 6√3 cm

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