A line segment that divides a circle into two halves is called the diameter.
The angle at the centre of an arc of a semicircle is 180°.
What is a line segment of a circle?
A line segment of a circle is a line that divides a circle into two parts.
A line segment that divides a circle into two halves is called the diameter.
The angle at the centre in a semicircle is 180°.
An arc is a curved region of a circle.
The formula to calculate angle at the centre of an arc is:s = 2 π r (θ/360°)
The arc of a semicircle has angle 180°
Learn more about diameter and arc at: https://brainly.com/question/4450196
