Mathematics
In the given figure, AB, BC and CD are equal chords of a circle with centre O and AD is a diameter. If ∠DEF = 110°, find :
(i) ∠AEF
(ii) ∠FAB

Related Questions
In the given figure, two chords AB and CD of a circle intersect at a point P.
If AB = CD, prove that: arc AD = arc CB.

If two sides of a cyclic quadrilateral are parallel, prove that:
(i) its other two sides are equal,
(ii) its diagonals are equal.
In the given figure, ABCDE is a pentagon inscribed in a circle. If AB = BC = CD, ∠BCD = 110° and ∠BAE = 120°, find :
(i) ∠ABC
(ii) ∠CDE
(iii) ∠AED
(iv) ∠EAD

In the given figure, arc AB = twice arc BC and ∠AOB = 80°. Find:
(i) ∠BOC
(ii) ∠OAC
