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582

Q:

AC is a chord of circle whose centre is at O. If B is any point on the arc AC and ∠OCA=20, then the magnitude of ∠ABC is

  • 1
    1000
  • 2

    400

  • 3

    1300

  • 4

    1100

  • Show Answer
  • Workspace

Answer : 4. "

1100

"

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