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# Math properties

### Properites and postulates for Geometry

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

Transitive Property of Equality/Congruence | If a=b and b=c, then a=c, If AB is congruent to CD and CD is congruent to EF, then AB is congruent to EF |

Symmetric Property of Equality/Congruence | If a=b then b=a. If measure of angle A= measure of angle B, then measure of angle B= measure of angle A |

Reflexive Property of Equality/Congruence | a=a. AB is congruent to AB |

Distributive Property | a(b+c)= ab+ac or a(b-c)= ab-ac |

Addition Property | If a=b, then a+c=b+c |

Subtraction Property | If a=b, then a-c=b-c |

Multiplication Property | If a=b, then ac=ab |

Division Property | If a=b and c does not equal 0, then a/c=b/c |

Substitution Property | If a=b, then let b substitute a in any situation |

Commutative Property | 5+3=3+5 |

Segment Addition Postulate | AB+BC=AC |

Angel Addition Postulate | measure of angle AOB+ measure of angle BOC= measure of angle AOC |

Created by:
AlyssaH2021