sector
A sector is the part of a circle between two radiuses and a part of the circumference, namely an arc. It can be compared to a piece of cake.
A quarter circle is an example of a sector where the angle between both radiuses is a right angle.
A sector is the part of a circle between two radiuses and a part of the circumference, namely an arc. It can be compared to a piece of cake.
A quarter circle is an example of a sector where the angle between both radiuses is a right angle.