Definition | PG Term |

SAS | |

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

ASA | |

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

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

An angle whose measure is equal to 90 degrees | |

Points that lie on the same line. | |

Two angles whose sides form two pairs of opposite rays. The angles form an 'X'. | |

Two angles formed by two parallel lines and a transversal that lie on the interior of the parallel lines and on the same side of the transversal. | |

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

A triangle with three congruent angles. | |

Two angles whose sum is 90 degrees. | |

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

Points that line in the same plane | |

y-y1=m(x-x1) | |

A triangle with three congruent sides | |

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

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

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

A triangle with one obtuse angle | |

A line segment has two... | |

The point where three altitudes intersect in a triangle | |

AAS | |

Points that lie in the same plane. | |

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

two angles who sum is 180 degress | |

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