Definition | PG Term |

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

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

y=mx+b | |

An angle whose measure is equal to 90 degrees | |

The point where three altitudes intersect in a triangle | |

two angles who sum is 180 degress | |

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

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

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

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

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

A triangle with one obtuse angle | |

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. | |

A polygon with three sides | |

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

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

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

A triangle with no congruent sides. | |

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

SSS | |

Lines that do not intersect and are NOT coplanar | |

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

ASA | |

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

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

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

## Show Comments