The declination of a star is 21 15' N at a latitude of 43 30' N. The zenith distance at the upper culmination is

The declination of a star is 21 15' N at a latitude of 43 30' N. The

1.	The declination of a star is 21 15' N at a latitude of 43 30' N. The zenith distance at the upper culmination is
A.	22 15'
B.	21 15'
C.	64 45'
D.	43 30'
Answer» B. 21 15'