We always referred to that as an arc.
It is a sector
an O another name for a circle is an O and a spherical
another name for a half circle is semi-circle
i dunno u tell me!
Another name for half a circle is a semicircle.
Another name for malaria that starts with an A and has 4 letters is ague.
There really isn't one, but I suspect the phrase you're looking for is "sector of a circle."
A pie chart, a cake slice chart.
prison letters, or the letters of Saint Paul
The perimeter is also known as the circumference of a circle.
slice, hunk, loaf, toast (if cooked)slices
Epistle is the term used in the Bible for letters.
It is called: "Circle M".
A pie chart.
A pie graph.
from the word circle. it never stops. just like a circle.