WAEC - Mathematics (1990 - No. 26)
If the radius of the parallel of latitude 30°N is equal to the radius of the parallel of latitude θ°S, what is the value of θ?
75o
60o
45o
30o
0o
説明
\(\theta_{1} = \theta_{2} = 30°\)
\(\theta_{1} = \theta_{2} = 30°\)