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?

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?

A 75^o
B 60^o
C 45^o
D 30^o
E 0^o

waec 1990 mathematics

The correct answer is D. 30^o

\(\theta_{1} = \theta_{2} = 30Â°\)

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