This question replies completely on the plane of reference.
The circumferance of the moon is 6790 miles.
at the equator.
Oceans are the greatest sources.
SQUARED.
At the centre of the Earth.
mantle
The circumferance of a circle is equal to 2 x pi x r, where r is the radius, i.e. approximately 6.2832 than its radius. Divide the circumferance from the figure above to get the radius of a circle in which the circumferance is known.
The moon.
the moon (Dur)
Jumbo
The Earth's core.
circumferance