In fig., PA is a tangent to a circle of radius 6 cm and PA = 8 cm, then length of PB is
16 cm
10 cm
18 cm
12 cm
In the fig. AB, AC and PQ are tangents. given,PQ = 8 cm, AQ = 9 cm and PA = 7 cm, then find AC.
In Fig.1, PA and PB are two tangents drawn from an external point P to a circle with centre C radius 4 cm. if PA⊥PB, then the length of each tangent is: