Question

Solve it........................​

Answer 1

Answer:

Angle ABC = 25

Angle AOC = ?

AB and CB are tangents.

Therefore, OA perpendicular to AB and OC perpendicular to CB.

Angle A = 90° and Angle C = 90°

In Quadrilateral OABC,

<O+<A+<B+<C = 360

<O+90+25+90=360

<O=155°

Answer :- <O=155°

hope it helps you✌