If the altitudes of a star at its upper and lower transits are 60 30' and 19 30' respectively, the latitude of the place, is

If the altitudes of a star at its upper and lower transits are 60 30'

1.	If the altitudes of a star at its upper and lower transits are 60 30' and 19 30' respectively, the latitude of the place, is
A.	30
B.	35
C.	40
D.	45 .
Answer» D. 45 .