Math

In a circle whose center is O, arc AB contains 100Β°. Find the number of degrees in angle ABO.

  1. πŸ‘ 0
  2. πŸ‘Ž 0
  3. πŸ‘ 65
asked by Fiyi
  1. ABO is an isosceles triangle ... AO and BO are radii of the circle
    ... so angles A and B are equal ... A = B

    central angle O equals the arc AB ... O = 100ΒΊ

    A + B + O = 180ΒΊ

    1. πŸ‘ 0
    2. πŸ‘Ž 0
    posted by scott

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