Question

what is a chord , tangent , segment , arc.
explain

Answer 1

Chord - A line segment joining any two points on the circle is called a Chord.
Tangent - a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point .
Arc - The part between any two points on the circle is called an Arc
Segment - a part of a figure cut off by a line or plane intersecting it, in particular .

Answer 2

● a chord is any straight line the touches two points of the circle but not through the centre.

● An arc is an any smooth curve joining any two points the circle.

● A line which touches the circle at just one point.