Definition | PG Term |

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

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

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

A line segment has two... | |

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

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

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

A polygon with three sides | |

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

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

HL | |

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

A triangle with no congruent sides. | |

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

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

A triangle with at least 2 congruent sides and angles. | |

An angle whose measure is equal to 90 degrees | |

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

Angles that have the same measure. | |

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

two angles who sum is 180 degress | |

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

AAS | |

Two angles whose sum is 90 degrees. | |

CPCTC | |

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

A triangle with three congruent sides | |