round
Circle
An arc is just part of the circumference of a circle.
half of the circle plus a little more
A circle because there are 360 degrees around a circle.
6.2MM
3.142
2mm (d = r x 2)
A small seed, like a poppy or sesame seed, is approximately 2mm in size.
a circle
The radius is half the diameter 15mm because the raduis is half the diameter so 30mm divided by 2mm it would be 15mm
kidney stones come in all shapes and sizes. they are usually rounded and bumpy. not smooth, obviously. 2mm is roughly about the size of the head of a pin head.
a circle with a certain percent at a certain mesurement.
You could not tell because a circle is round.
From front side it will look like a simple circle
half a circle
a circle