Which statement is correct about a sphere?
Answer
It has exactly one great circle.
Its great circles have different areas.
The radius of its great circle is half the radius of the sphere.
The diameter of its great circle is the same as that of the sphere.

Question

Which statement is correct about a sphere?
Answer
		It has exactly one great circle.
		Its great circles have different areas.
		The radius of its great circle is half the radius of the sphere.
		The diameter of its great circle is the same as that of the sphere.

anonymous · Answer

I think that the last one is the correct. The great circle is the one that divides the sphere into two equal hemispheres, so the diameter is the same.

aravindg · Answer

ya last one

anonymous · Answer

soudns reasonable, thanks dude.

anonymous · Answer

No problem. :-)