If tangents PA and PB from a point P to a circle with centre O are inclined each other an angle of 70o, then find ∠POA
65o
50o
55o
60o
If tangents PA and PB from a point P to a circle with centre O are inclined to each other an angle of 80, then ∠POA is equal to
(A) 50 (B) 60
(C) 70 (D) 80