A circle with centre O has tangent PQ and PB. PQ is 9cm .Angle PAB is 60*. Find length of AB.\xa0

A circle with centre O has tangent PQ and PB. PQ is 9cm .Angle PAB is

1.	A circle with centre O has tangent PQ and PB. PQ is 9cm .Angle PAB is 60*. Find length of AB.\xa0
Answer» The angle is PQB\xa0