Question

29. Find out the time at30°E Longitude when
the time at 30°W is 3.00pm.
(2 Points)
O 7pm 1.e 19hours
6pm 1.e18 hours
5pm 1.e17 hours
30. Total number of meridians are
(1 Point)​

Answer 1

Explanation:

1 degree = 4 minutes

as we move from east to west we subtract

and as we move from west to east we add

so,

30 -(-30) = 60 degree is the difference of two places

60 * 4 = 240 minutes or 4 hours

if at 30 degree west it is 3 pm so add

time at 30 degree east 7 pm