Definition | PG Term |

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

Two adjacent angles who are supplementary | |

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

An angle whose measure is equal to 90 degrees | |

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

Points that lie on the same line. | |

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

Points that lie in the same plane. | |

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. | |

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

SAS | |

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

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

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

A triangle with no congruent sides. | |

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

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

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

The point where 3 medians intersect. | |

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

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

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

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

y=mx+b | |

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 line segment has two... | |

An angle that measures 180 degrees. | |

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