Question

# The longest chord of a circle is called itsA. RadiusB. SecantC. DiameterD. Tangent

Hint-In order to solve such a type of question, we will use the definition of radius of a circle that is defined as the distance from the center to the circumference of a circle.

${\text{CD + CE > DE}} \\ {\text{R + R > DE}} \\ 2{\text{R > DE}} \\ {\text{AB >DE [}}\because {\text{AB = 2R]}} \\$