Inscribed and circumscribed

Calculator name	Summary
Incircle of a triangleIncircle of a triangle	Calculates the radius and area of the incircle of a triangle given the three sides.
Circumcircle of a triangleCircumcircle of a triangle	Calculates the radius and area of the circumcircle of a triangle given the three sides.
Incircle of a regular polygonIncircle of a regular polygon	Calculates the radius and area of the incircle of a regular polygon.
Circumcircle of a regular polygonCircumcircle of a regular polygon	Calculates the radius and area of the circumcircle of a regular polygon.
Regular polygons inscribed to a circleRegular polygons inscribed to a circle	Calculates the side length and area of the regular polygon inscribed to a circle.
Regular polygon circumscribed to a circleRegular polygon circumscribed to a circle	Calculates the side length and area of the regular polygon circumscribed to a circle.