From an external point P, two tangents, PA and PB are drawn to a circle with centre 0.
Channel: Doubtnut
Date: 2020-01-19

From an external point P, two tangents, PA and PB are drawn to a circle with centre 0. At one point E on the circle tangent is drawn which intersects PA and PB at C and D, respectively. If PA=10 cm, find the preimeter of the trianlge PCD.