Question

find the answer as fast​

Answer 1

Step-by-step explanation:

angle B + angle D = 180°{sum of opp. angles of cyclic quad.}

=> angle F = 180°-110°=70°

Now ; angle AOC = 2angel D{ angle subtended on centre is twice of angle on circumference {

=> angle AOC = 2×70°=140°

Hope this was helpful!