Definition | PG Term |

Points that line in the same plane | |

The 'if' part of a conditional statement. | |

A polygon with three sides | |

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

HL | |

An angle whose measure is equal to 90 degrees | |

two angles who sum is 180 degress | |

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

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

AAS | |

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

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

The point where 3 medians intersect. | |

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

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

A triangle with three congruent sides | |

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

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

A triangle with three congruent angles. | |

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. | |

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

SAS | |

Angles that have the same measure. | |

Points that lie in the same plane. | |

The point where three altitudes intersect in a triangle | |

Points that lie on the same line. | |

y=mx+b | |