Test Index

JAMB Geography 2011 Paper

Question : 3

Total: 50

An example of a great circle is?

Solution:

Concept:

A great circle is any circle on a sphere whose plane passes through the centre of the sphere.

Explanation:

The equator is a circle on the Earth's surface whose plane passes through the Earth's centre.

Other latitudes, such as

66\frac{1}{2}^\circ

and

23\frac{1}{2}^\circ

, are small circles because their planes do not pass through the Earth's centre.

Answer:

A. the equator

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