Mathematics
In the figure (ii) given below, O is the center of the circle. If ∠AOB = 140° and ∠OAC = 50°, find
(i) ∠ACB
(ii) ∠OBC
(iii) ∠OAB
(iv) ∠CBA.
Related Questions
In the figure (i) given below, M, A, B, N are points on a circle having center O. AN and MB cut at Y. If ∠NYB = 50° and ∠YNB = 20°, find ∠MAN and the reflex angle MON.
In the figure (ii) given below, AB is a diameter of the circle whose center is O. Given that ∠ECD = ∠EDC = 32°, calculate
(i) ∠CEF
(ii) ∠COF
In the figure (ii) given below, O is the center of the circle. Calculate the values of x and y.
In the figure (i) given below, O is the center of the circle and ∠PBA = 42°. Calculate the value of ∠PQB.
