Definition | PG Term |

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

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

An angle that measures 180 degrees. | |

A triangle with no congruent sides. | |

HL | |

Two adjacent angles who are supplementary | |

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

A triangle with at least 2 congruent sides and angles. | |

Points that lie in the same plane. | |

A triangle with three congruent angles. | |

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

A segment that connects the midpoints of a triangle or trapezoid. | |

An angle whose measure is equal to 90 degrees | |

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

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

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

Lines that do not intersect and are NOT coplanar | |

The side opposite the right angle in a right triangle | |

A triangle with one obtuse angle | |

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

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

Two angles whose sum is 90 degrees. | |

two angles who sum is 180 degress | |

Two polygons such that their corresponding angles are congruent and the lengths of corresponding sides are proportional | |

Points that line in the same plane | |

AAS | |

A polygon with three sides | |