In a circle with center O, P4 and PB aretangents to the circle at.4 and B, respectively, from an external point P. If, $$\angle AOB = 116^\circ$$ then whatis the measure of $$\angle OPB$$?

A

$$32^\circ$$

B

$$90^\circ$$

C

$$58^\circ$$

D

$$30^\circ$$