Circle(Basic Concepts Guide)

Circle（基本概念指南）提供與Circle相關的概念和數字

Circle(Basic Concepts Guide) app is a free app which is built with an intension that this app provide basic concepts of circle in easy way ..

Content of this app are as follows :

> Definition: A circle is the locus of all points equidistant from a central point.

>Radius: The distance from the center of the circle to its outer rim.

>Chord: A line segment whose endpoints are on a circle.

>Diameter: A chord that passes through the center of the circle. The length of a diameter is two times the length of a radius.

>Tangent: A line that intersects a circle in exactly one point.

> theorems of circle

>circle theorem's

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