Multiple choice

A line segment whose end points lie on the circle is called .............. to the circle.

  1. Chord

  2. Tangent

  3. Radius

  4. Diameter

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A Correct answer
Explanation

A chord is a line segment whose endpoints both lie on the circle.

AI explanation

By the standard geometric definitions of a circle, a line segment joining any two points on the circumference is called a chord. A tangent only touches the circle at one point, while a radius and diameter connect the center to the circumference. Therefore, the correct term is a chord.