Question

If AB and BC are two tangents to a circle with O such that angle AOC=120° then find angle ABC .

Answer 1

angle ABC=360°-angle AOC+90°+90°[angle made by the point of contact by tangents is perpendicular on that point][sum of angles of quadrilateral]
angle ABC=360°-(120°+90°+90°)
=360°-300°
=60°
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Answer 2

this is ur answer bro and sis by Nidharshana.P