MathematicsAB is the chord, OD is the distance of the chord from the centre of circle. If OD ⊥ AB then,

AB is the chord, OD is the distance of the chord from the centre of circle. If OD ⊥ AB then,

  1. A

    ∠D=90°

  2. B

    ∠D= 60°

  3. C

    ∠D= 65°

  4. D

    ∠D= 70°

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