Circle calculator

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Circumference and area of a circle
Circumference and area of a circle
Circumference and area of a circle segment
Circumference and area of a circle segment
Circumference and area of a circle sector
Circumference and area of a circle sector

Circle defintion

A circle is a set of points in a plane whose distance from a fixed point (the center of a circle) is less than or equal to a fixed positive number (called a radius).

Circle calculations

Circle calculations of radius, diameter, circumference (perimeter), area (circular area), chord, arc, circle segment