Definition | PG Term |

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

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

A triangle with three congruent sides | |

AAS | |

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

Points that lie on the same line. | |

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

Two adjacent angles who are supplementary | |

An angle whose measure is equal to 90 degrees | |

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

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

A triangle with one obtuse angle | |

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

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

Points that lie in the same plane. | |

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

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

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

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

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

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

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

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 whose measurement is between 0 and 90. | |

HL | |

two angles who sum is 180 degress | |

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

## Show Comments