Definition | PG Term |

An angle that measures 180 degrees. | |

A triangle with three congruent sides | |

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

Points that lie in the same plane. | |

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

The point where three altitudes intersect in a triangle | |

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

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

Points that line in the same plane | |

A line segment has two... | |

Angles that have the same measure. | |

ASA | |

Two adjacent angles who are supplementary | |

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

A triangle with no congruent sides. | |

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

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

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

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

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. | |

Points that lie on the same line. | |

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

SAS | |

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

Two angles whose sum is 90 degrees. | |

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

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

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