# 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. |