The moon is much bigger then Ceres. Ceres is just under 1000 km in diameter. The moon is about 3,474 km in diamter so that mean the moon is bigge by more then 3.4 times.
it is the circumfrance of a circle divided by pi.
6 in.
d = 2r
100.53 inches
1.4 million kilometers (870,000 miles).
diameter = 128/pi
circumference = pi*40cm
The name of half a diameter is a radius.
circumference = 15*pi cm
Io is the fourth largest moon in the Solar System and the third largest of the moons of Jupiter.Diameter is 3,640 kmCircumference is 11,429.6 kmSurface area is 41,624,846.02 km2Volume is 25,252,406,590 km3.Io is slightly larger than our own moon.
Any value between 0 and 12 cm.