Question

Which of the following claims about the phrase "great circle" is incorrect?

• A. The equator is a large circle.
• B. On a sphere, only one large circle may be drawn.
• C. When a plane travels through the centre of a sphere, it forms a big circle.
• D. By following the great circle arc between two places, a ship might save fuel and time.

Answer 1

The correct option is B On a sphere, only one large circle may be drawn.

Any circle on a sphere that goes between two locations on the sphere that are opposite each other. On a sphere, several large circles may be drawn.