For a circle with centre O and radius 5 cm, which of the following statements is true? P : Distance between every pair…

For a circle with centre $O$ and radius 5 cm, which of the following statements is true? $P$: Distance between every pair of parallel tangents is 5 cm. $Q$: Distance between every pair of parallel tangents is 10 cm. $R$: Distance between every pair of parallel tangents must be between 5 cm and 10 cm. $S$: There does not exist a point outside the circle from where length of tangent is 5 cm.