SOLUTION: How do you solve problems in proofs in general. My daughter has a huge test tomorrow and I am trying to find a step by step approach to show her how to do any problem. Is there o

Question 133018This question is from textbook geometry
: How do you solve problems in proofs in general. My daughter has a huge test tomorrow and I am trying to find a step by step approach to show her how to do any problem. Is there one avail with examples? Hopefully it will be something that would make sense to me and I could try to help explain to her? Chapter 8, page 444, problem #9 would be a problem example that we would like to see help with.
thank you
This question is from textbook geometry

Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Sorry I do not have your textbook so can't use that as an example. However, generally, I prefer to do proof as follows:
1) ALWAYS restate the problem.
2) Then beginning with the supposition, work your way toward "what is to be proven".
3) At each small step along the way, you MUST state which mathematical principle allows you to make that step. Usually that is something basic, like commutative property, associative property, identity, etc
Sometimes it is not clear how to go from start to finish. Sometimes you end up working from both ends toward the middle. Then once you get a thread of simple steps that works from end to end, rewrite the solution from start to end.
Sorry I can be more helpful. Perhpas you can post the problem you wish to 'prove"
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