# Points, Lines, and Planes Question

**View this question.**

Add this question to a group or test by clicking the appropriate button below.

## Grade 10 Points, Lines, and Planes CCSS: HSG-CO.C.9

Given the parallel lines [math]k[/math] and [math]m[/math], and transversal [math]t[/math], prove that [math]ang 1 ~= ang 7[/math].

[math] \ \ \ \ \ \ " Statement " \ \ \ \ \ \ [/math] | [math] " Reason "[/math] |

[math]1. k " || " m[/math] | [math]1. "Given"[/math] |

[math]2. ang 1 ~= ang 5[/math] | [math]2. "Corresponding angles are congruent"[/math] |

[math]3. ang5 ~= ang 7 [/math] | [math]3. [/math] |

[math]4. ang 1 ~= ang 7 [/math] | [math]4. "Substitution property of equality"[/math] |

- Vertical angles are congruent
- Given
- Same side interior angles are congruent
- Supplementary angles are congruent