This is known as an 'arc'
An arc is a portion of the circumference of a circle.
Portion of the area of a circle is called a sector.
An arc is a portion of the circumference of a circle.
nope a portion of a circles area is a triangle
A wedge shaped portion of a circle is called a sector.
pi X radius squared X the percent of the circle.
An arc.
An arc (circumference only), or a segment.
A sector.
an arc
Chord
Waxing crescent is the phase that follows the new moon when it appears as a small outer portion of a circle.