Given the circle at the right with diameter ¯¯¯¯¯¯¯¯AB find x
In the given figure, AB is the diameter of the circle. AC is equal to BC. Find the value of ∠ABC.
In the given figure, BOC is a diameter of a circle and AB=AC. Then, ∠ABC=?
(a) 30∘
(b) 45∘
(c) 60∘
(d) 90∘
In the given figure, AOB is a diameter of a circle and CD||AB. If ∠BAD=30∘ then ∠CAD=?
(b) 60∘
(c) 45∘
(d) 50∘
In the given figure, if chords AB and CD of the circle intersect each other at right angles, then x+y=
(a) 45∘
(c) 75∘