A | B |

"The sum of the lengths of any two sides of a triangle is greater than the third side" This is a __________ Inequality Theorum | Triangle |

Oragami (p.287) is an old Japanese art involving folded paper. T or F. | True |

Tr. ABC= Tr. DEF. Is AB congruent to DE? | Yes, it is. |

_________ Angles lie on the same side of a transversal between the two lines that it intersects. | Same-side |

_______________ Angles lie on opposite sides of a transversal between the two lines that it intersects. | Alternate Interior |

___________ Angles lie on the same side of a transversal, in corresponding positions in respect to the two lines it intersects. | Corresponding |

If two parallel lines are iintersected by a transversal, then corresponding angles are congruent. This is the _____________ . | Corresponding angles postulate |

If two parallel lines are intersected by a transversal, then same-side interior angles are supplementary. This is the __________________________. | Same Side Interior Angles Theorum. |

If two parallel lines are intersected by a transversal, then alternate interior angles are congruent. This is the _____________________. | Alternate Interior Angles Theorum |

The two non-parallel sides are called the _____. | Legs |

The two parallel sides of a trapezoid are called the _______. | bases |

A _________ is a line that intersects two parallel lines. | Transversal |

sidA quadrilateral with exactly one pair of parallel sides is called a ________. | Trapezoid |

A _______ proof is a type of proof that displays the relationships between the statements in a proof. | flow |

An _________ line is a line that is added to a digram to help complete a proof. | Auxiliary |

AN _______ is a tree or shrub that is trained to grow in a flat plane, often in a regular pattern. | Espalier |

In a plane, if two lines are both perpendicular to a singular line, then the two lines are parallel. This is the ____________. | Dual Perpendiculars Theorum. |

________ sides are parallel in a parallelogram. | Opposite |