Question

define the following terms Chord diameter circle ​

Answer 1

chord is a line joining any two point on the circumference of the circle( internally )

the longest chord which passes through the center of the circle is called the diameter of that circle

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Answer 2

●In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere.

Circle  -  A geometric figure composed of points that are equidistant from a given point. endpoints are on a circle.

Chord  -  A segment whose endpoints are on a circle.