# Euclid's Parallel Postulate Examples

### Example 1

According to the parallel postulate, what must the measures of ∠4 and ∠5 add up to? |

### Example 2

Are lines |

### Example 3

What are the values of |

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According to the parallel postulate, what must the measures of ∠4 and ∠5 add up to? |

Are lines |

What are the values of |