Question

if from an external point p of a circle with centreo , two tangents PQ & PR are drawn such that angle QPR =120 , prove that 2PQ = PO​

Answer 1

∠QPR = 120°

PQ = PR

∠QPR + ∠QOR = 180°

∠QOR = 60°

IN ΔOPQ

∠QOP = 30°    [ OP BISECTS THE ANGLE ]

SIN 30 = PQ/OP

1/2 = PQ / OP

2PQ = OP

H.P.

HOPE THIS HELPS U

Answer 2

Answer:

Step-by-step explanation: