Mathematics for IGCSE & O level - Mensuration (Section 11 - No. 25)
What is the relationship between the surface area of a sphere and the area of its great circle?
The surface area is the same as the great circle's area.
The surface area is twice the area of the great circle.
The surface area is four times the area of the great circle.
The surface area is half the area of the great circle.
Explanation
The surface area of a sphere is 4πr², and the area of a great circle is πr². Therefore, the surface area is four times the area of the great circle.
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