Circle
A circle is a two-dimensional geometric shape that is perfectly round and consists of all the points in a plane that are equidistant from a fixed center point
A circle is a two-dimensional geometric shape that is perfectly round and consists of all the points in a plane that are equidistant from a fixed center point. The distance between the center of the circle and any point on its edge is called the radius. The longest distance across the circle, passing through the center, is called the diameter. The ratio of the circumference of a circle to its diameter is a constant value called pi (π), which is approximately 3.14159. The formula to calculate the circumference of a circle is C = 2πr, where C represents the circumference and r represents the radius. The formula to calculate the area of a circle is A = πr^2, where A represents the area. Circles have several important properties, such as symmetry, and they are used in various mathematical and practical applications, including geometry, physics, architecture, and engineering.
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