Known values | Select the set of known parameters |

a, a1, a2, ... | Angle |

Arc length | Arc length of a circle pie |

Area | Area of the figure |

circumference, outer circum, inner circum | Circumference of the figure |

diagonal, d, d1, d2 | Diagonal |

diameter | Diameter of a circle |

h | Height (see drawing of figure) |

l, l1, l2, ... | Length of a side or some other length (see drawing of figure) |

m1, m2, ... | Median lines |

n | Number of sides |

Origin | Select origin for the xy coordinates |

radius | radius of a circle |

ri | Radius of inner circle |

ro | Radius of outer circle |

s | Length of one side |

To scale | When checkmarked the figure is drawn to scale |

xy1, xy2, ... | Coordinates of the figure, origin is controlled by the "Origin" selection |