Definition | PG Term |

Lines that do not intersect and are NOT coplanar | |

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

A triangle with three congruent angles. | |

Points that lie on the same line. | |

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

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

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

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

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

The point where 3 medians intersect. | |

a dot. | |

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

ASA | |

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

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

Two angles whose sum is 90 degrees. | |

A polygon with three sides | |

A line segment has two... | |

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

An angle that measures 180 degrees. | |

The point where three altitudes intersect in a triangle | |

A triangle with three congruent sides | |

SAS | |

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

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

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

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