Two congruent circles each have radius 5cm. In the first circle, chord MN subtends an angle of 65∘ at its centre. In the second circle, chord PQ also subtends an angle of 65∘ at its centre. Which of the following statements is correct about the lengths of MN and PQ?
a) MN>PQ
b) MN=PQ
c) MN<PQ
d) The relation cannot be determined