Radii, Chord, Diameter and Circumference of the Circle
The longest c...
Question
The longest chord of a circle is which of the following?
A
radius
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B
arc
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C
diameter
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D
none of the above
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Solution
The correct option is C diameter A chord is a line segment which joins two points on the circumference of a circle, and the longest chord of a circle is the diameter of the circle since the diameter passes through and contains the center of the circle; The longest distance across a circle is through its center.
Here in figure AB is the longest chord that is diameter of a circle