Definition | PG Term |

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

Lines that do not intersect and are NOT coplanar | |

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

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

Points that lie on the same line. | |

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

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

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

two angles who sum is 180 degress | |

Points that lie in the same plane. | |

The point where 3 medians intersect. | |

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

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

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

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

Points that line in the same plane | |

A line segment has two... | |

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

AAS | |

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

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

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. | |

SSS | |

A triangle with one obtuse angle | |

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

y=mx+b | |