Select correct alternatives.
(i) 1 rad= 57.3 degree
(ii) 1degree = 60 minute
(iii) 1 minute = 60 seconds
(iv) 1 right angle = 90 degree

• A

  (ii, iii)

• B

  (ii, iv)

• C

  (i, iii, iv)

• D

  (i, ii, iii, iv)