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391

Q:

If the arcs of square length in two circles subtend angles of 60° and 75° at their centres, the ratio of their radii is 

  • 1
    3 : 4
  • 2
    4 : 5
  • 3
    5 : 4
  • 4
    3 : 5
  • Show Answer
  • Workspace

Answer : 3. "5 : 4 "

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