Definition | Term/Word |

the sum of all exterior sides of a polygon | |

the original figure | |

the new figure | |

symbol that goes on the image | |

transformation in which a figure is turned about a fixed point | |

transformation that preserves lengths, angle measures, parallel lines, and distances between points | |

the point about which an object rotates | |

a quantity that has both direction and magnitude, or size, and is represented by an arrow drawn between two points | |

the multiplier between the side length ratios | |

the set of all points in a plane that are equidistant from a given point | |

the distance from the center to a point on the circle | |

a segment whose endpoints are points on a circle | |

a chord that passes through the center of the circle | |

a line that intersects a circle in two points | |

a line in the plane of a circle that intersects the circle in exactly one point | |

the point at which a tangent line intersects the circle to which it is tangent | |

coplanar circles that have a common center | |

the distance around a circle | |

horizontal and vertical grid point on the circle | |

partial circumference | |

partial area given a known arc measure | |

3.1415926535897932384626433832795028 | |