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çemberin merkezinden geçen ve çemberi iki eşit parçaya bölen doğru çizgisi

AI overview

A diameter is a straight line that passes through the center of a circle and connects two points on the circle's edge. It's useful because it's the longest distance across a circle and helps define the circle's size—the diameter is exactly twice the radius (the distance from the center to the edge).

AI-generated from the Wikipedia summary — may contain errors.