Respuesta :

semsee45

Answer:

16.5

Step-by-step explanation:

PQ = PR  ⇒  PQ = 13.2

Angle OQP = 90° therefore using Pythagoras' theorem:

OQ² + PQ² = OP²

9.9² + 13.2² = OP²

272.25 = OP²

OP = √272.25 = 16.5