Definition | PG Term |

The point where three angle bisectors intersect in a triangle | |

CPCTC | |

a segment drawn from a vertex perpendicular to the opposite side | |

A polygon with three sides | |

HL | |

The point where three perpendicular bisectors intersect in a triangle. | |

ASA | |

An angle whose measure is between 90 and 180 degrees. | |

Angles that have the same measure. | |

A point that divides, or bisects, a segment into two congruent segments. | |

Two lines that do not intersect and are coplanar. | |

A triangle with no congruent sides. | |

An angle whose measurement is between 0 and 90. | |

The side of a right triangle that is opposite the right angle. | |

two angles that are formed by parallel lines and a transversal and occupy corresponding positions | |

Two angles that are formed by parallel lines and a transversal and lie outside the two lines and on opposite sides of the transversal. | |

(y2-y1)/(x2-x1) | |

Two lines that intersect to form a right angle. | |

Two angles that share a common vertex and side. | |

An equation that states that two ratios are equal. | |

A triangle with one obtuse angle | |

A line drawn perpendicular to a side through its midpoint. | |

a ray that divides an angle into two angles that are congruent. | |

A segment drawn from the vertex of a triangle to the midpoint of the opposite side | |

A triangle with three congruent angles. | |

Lines that do not intersect and are NOT coplanar | |

A segment that is drawn from the center of a circle to the circle. | |