বৃত্ত (বেসিক কনসেপ্টস গাইড) সংখ্যাসূচক সঙ্গে বৃত্ত সংক্রান্ত ধারণা প্রদান করে
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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