Please help me with the math question!  TIA  ?

Attachment image

2 Answers

  • Pope
    Lv 7
    2 months ago

    If that is a circle with center O, then ∠AOB is the central angle of arc ACB.

    ∠AOB = arc ACB = 60°

    Radii OA and OB are equal, so the opposite angles in ∆AOB are equal.

    ∠BAO = ∠ABO

    ∠BAO + ∠ABO + ∠AOB = 180°

    ∠BAO + ∠ABO + 60° = 180°

    ∠BAO + ∠ABO = 120°

    ∠BAO + ∠BAO = 120°

    ∠BAO = 60°

  • Anonymous
    2 months ago

    Something is wrong with the question. "Arc ACB" means a distance (arc length), not an angle.  So you can't say it equals 60degrees.

    And in any case, angle ACB is shown over 90degrees and can't possibly be 60degrees.

Still have questions? Get your answers by asking now.