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In geometry, a diameter of a circle is any straight line segment that passes through the centre of the circle and whose endpoints lie on the circle.
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A diameter is a line segment passing through the center of a circle or sphere with both its endpoints on the circle or sphere. Diameter may also refer to:.
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In geometry, the diameter of a circle is a line from one side directly to the opposite side through the center. It can also be defined as the longest chord ...