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# prop of cong. and eq

### Properties of congruence and equality

Question | Answer |
---|---|

If a = b, then a+b=b+c | Addition property of Equality |

If a = b, then a-c=b-c | Subtraction property of Equality |

If a = b, then ac = bc | Multiplication Property of Equality |

If a = b, then a/c = b/c provided c not 0 | Division Property of Equality |

a = a | Reflexive property of Equality |

If a = b and b = c, then a = c | Transitive Property of Equality |

If a = b, then b = a | Symmetric Property of Equality |

If a = b and x+a = c, then x+b = c | Substitution Property of Equality |

Angle A is congruent to Angle A | Reflexive property of Congruence |

If angle A is congruent to angle B and angle B is congruent to angle C, then angle A is congruent to angle C | Transitive Property of Congruence |

If angle A is congruent to angle B then angle B is congruent to angle A | Symmetric Property of Congruence |

Created by:
jbenecke