The arc is part of the circumference of the circle.
A chord is a line that reaches from one part of the circle to another part.The diameter is an example.
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If you take two distinct points on a curve, the arc is the part of the curve connecting the two points while the chord is the straight line connecting them.
multiply the chord length and radius and divide by 2
== == Segment == == == == == ==
The line connecting the points is called a chord; the part of the perimeter of the circle enclosed is called an arc; the area between an arc and the chord is called a circular segment.
A chord.