Yahoo Answers: Answers and Comments for I need help with geometry proofs? [Mathematics]
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From Anonymous
enUS
Mon, 24 Nov 2008 07:56:39 +0000
3
Yahoo Answers: Answers and Comments for I need help with geometry proofs? [Mathematics]
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From (Success,Fame): if your looking for a basic primer on how to g...
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Mon, 24 Nov 2008 09:37:01 +0000
if your looking for a basic primer on how to go about proving mathematical theorems you would do well to look here
http://zimmer.csufresno.edu/~larryc/proofs/proofs.html
if your instead looking for information on basic geometric constructions with compass and straight edge your best bet would be
http://www.mathopenref.com/tocs/constructionstoc.html
the best advice i can give you is to remember to think outside the box.
i know it sounds cliche but math really is the are where abstract thought is both the most useful and the most often ignored.
for example if you're looking to balance an equation where the RHS looks nothing like the LHS you might try multiplying either side by a convenient form of 1, the good old multiplicative Identity.
for example prove that
4a3a+3(b(a+b))greater than or equal to (a+b)
at first glance this may look daunting (or it may look trivial) but if you multiply the RHS by (43) and instead of collecting the 3 and 4 together foil it out... it will become obvious that the two sides are identical. therefore they have to fit the constraint of being GTOET. in this little example you could have easily figured this out by collecting like terms on the LHS, but this could easily be a sticking point in the middle of a long complicated proof. also remember that adding zero is always allowed in any form that makes things easier (or harder if you choose incorrectly ;)
this is quite obvious if you remember the difference of squares
a^2 b^2=(a+b)(ab)
which is equivalent to a^2 +(ab +ab) b^2
i think you see the pattern. look for little tricks like this when you get to sticking point and you should find the answer easier. if you have specific questions you can contact me directly on here throught the mail feature.
hope this helps

From Anonymous: just go to www.yahoo.ca, www.google.com or www...
https://answers.yahoo.com/question/index?qid=20081124075639AAmgdJz
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Tue, 25 Nov 2008 14:47:56 +0000
just go to www.yahoo.ca, www.google.com or www.ask.com and type in geometry i worked for me hope it works for you.

From ~~: im in 9th grade too, u have 2 do it in 2 colum...
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Tue, 25 Nov 2008 09:28:00 +0000
im in 9th grade too, u have 2 do it in 2 column proofs.its sorta hard at first, but then u get used to it.the teacher will go fast at first, but ull get it dont worry

From Anonymous: In Google, enter Geometry.
https://answers.yahoo.com/question/index?qid=20081124075639AAmgdJz
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Mon, 24 Nov 2008 08:04:23 +0000
In Google, enter Geometry.