Help with Solving Geometry Proof

PQ=QR ProvePR=QS ◄--------P-------Q----R--------S--------►

**Statements** | **Reasons** |

PQ=RS | Given |

Q is between PR | midpoint |

R is between QS | midpoint |

PQ=QR | |

QR=RS | |

PQ+QR=QR+RS | Segment Addition Postulate (Postulate 1.13) |

PR=PQ+QR and QS=QR+QS | Segment Addition Postulate (Postulate 1.13) |

PR=QS | Substitution Law (Postulate 1.11) |

Re: Help with Solving Geometry Proof

Am I missing something? It looks like all you need to do is fill in the two blanks in the second column, and you're actually given that Q is the midpoint of PR and R is the midpoint of QS. That seems to be what the word "midpoint" in the second column (lines two and three) means. If so, what's the definition of midpoint?

Re: Help with Solving Geometry Proof

Am I missing something? It looks like all you need to do is fill in the two blanks in the second column, and you're actually given that Q is the midpoint of PR and R is the midpoint of QS. That seems to be what the word "midpoint" in the second column (lines two and three) means. If so, what's the definition of midpoint?

Sorry, I posted this twice by some mistake, I don't know how to delete the second post.

Re: Help with Solving Geometry Proof

Thank You,

I just wanted to make sure that I was working in the correct direction. I am sure this geometry stuff is real easy for all of you that reply to these posts, but it's been 29 years since I was in a math class and am trying to do this online. I appreciate the help.

Sandy