NECO 2024 · Paper 1 · Q38

Longitude & latitude

Two points $P$ and $Q$ lie on the same great circle. $P$ is on latitude $70^\circ$ N and $Q$ is on latitude $55^\circ$ N. Calculate their difference in latitude.

Worked solution (try it first)

Both latitudes are north of the equator, so subtract them.
The difference is $70^\circ - 55^\circ = 15^\circ$ , option A.

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