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    • Question

      A chord of a circle is equal to its radius. The angle

      subtended by this chord at a point on the circumference is
      A 80° Correct Answer Incorrect Answer
      B 60° Correct Answer Incorrect Answer
      C 30° Correct Answer Incorrect Answer
      D 90° Correct Answer Incorrect Answer

      Solution

      length of chord = length of radius equilateral triangle is formed angle at the centre = 60° angle subtended by chord at centre = 2 angle subtended by chord at the circumference of circle angle subtended by chord at the circumference of circle = 30°

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