Definition | PG Term |

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

Points that line in the same plane | |

a dot. | |

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

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

A triangle with no congruent sides. | |

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. | |

An angle that measures 180 degrees. | |

Two adjacent angles who are supplementary | |

SAS | |

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

Points that lie in the same plane. | |

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

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

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

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

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

Lines that do not intersect and are NOT coplanar | |

A line segment has two... | |

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

A polygon with three sides | |

SSS | |

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

two angles who sum is 180 degress | |

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

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

Two angles whose sum is 90 degrees. | |