Question

The longest chord of a circle is ____ .

• A. Radius
• B. Diameter
• C. Arc
• D. none of these

Answer 1

The correct option is B Diameter

$\Rightarrow$ Chord is a line segment connecting two points on a curve.

$\Rightarrow$ Draw a straight line between these two points on the edge of the circle. This line is called a chord.

$\Rightarrow$ When the chord passes through the center of a circle it is called the diameter.

$\Rightarrow$ Diameter is the longest chord of a circle.