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# Theorems

### Definitions of theorems for test

Term | Definition |
---|---|

Congruent Supplements Theorem | angles that supplement to same angle or congruent angles are congruent. |

Congruent Compliments Theorem | angles that compliment to same angle or to congruent angles are congruent |

Vertical Angles Theorem | if 2 angles are vertical, they are congruent |

Theorem 2.9 | when perpendicular lines intersect, they form 4 right angles |

Theorem 2.10 | all right angles are congruent |

Theorem 2.11 | perpendicular lines form congruent adjacent angles |

Theorem 2.12 | if 2 angles are congruent and supplementary, then each angle is a right angle |

Theorem 2.13 | if 2 congruent angles form a linear pair then they are right angles |

Protractor Postulate | given any angle, measure can be put into one-to-one with real numbers 0-180 |

Angle Addition Postulate | if R is in the interior of <PQS, then m<PQR + m<RQS= m<PQS |

Supplement Theorem | 2 angles that form a linear pair are supplementary |

Compliment Theorem | non-common sides of 2 adjacent angles form right angle then they are complementary |

Created by:
edenbreslauer