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What is Circumcircle and Incircle Theorems about?
Every triangle has a circumcircle and an incircle. The circumcircle passes through all three vertices and its center is at the intersection of the perpendicular bisectors of the sides. The incircle is tangent to all three sides and its center is at the intersection of the interior angle bisectors. The ratio used in the Law of Sines gives the diameter of the circumcircle, and the radius of the incircle is equal to twice the area of the triangle divided by its perimeter.
- Author
- sandeep
- Language
- EN