A minor arc.
Major arc.
A semicircle.
It is called a semicircle.
If the arc is circular, such a figure is a semicircle or half circle.
semicircle
A minor arc.
minor arc
Major arc.
a minor arc measures less than 180 degrees...
Major arc is the longer of two arcs.
The complete arc of a semicircle is 180 degrees
Semicircle
It could be either acute or obtuse.
it is the diameter
Minor arc
One. The line of symmetry for a 180 degree arc (a semicircle) is the line that bisects the arc.