HOW CAN U EASILY REMEMBER ALL THE POSTULATEs, THEOREMs AND COROLLARYs?

Question

i need serious help? i'm learning geometry on my own and i have a test coming in only two months and i'm still stuck on proofs. do you really need to know all these to get a good score on the proofs? Please and Thank u

i need to know these for the proofs

Answer 1

You have to understand them. This is where learning by rote doesn't do much good. If you don't understand why you're applying a theorem you are in trouble. However, if you understand and you forget it's easy to deduce and reconstruct what you forgot.

Answer 2

Okay, this is what you can do. Don't go about learning each and every postulate or their corollaries.
Say for eg:- If a statement says, "If two right triangles are congruent, then hypotenuse and side of one triangle is congruent to corresponding hypotenuse and side of the other."
Here, all that comes after 'if-------------then,' is GIVEN. Means you will start assuming, 'two right triangles are congruent' are GIVEN(if triangles are not given then you take your own triABC and triXYZ)
and all that comes after 'then,' ----------------.' will be your TO PROVE. Means you will have to prove 'hypotenuse and side......and side of the other.
Sometimes the statement doesn't clearly mention 'if-then' Either of them could be omitted.
For eg:- 'A line is perpendicular to a line segment, if it intersects the line segment at 90 deg'.
Here you have 'if---------but 'then' is missing.
You will apply same rule but with little difference
What comes after 'if', if,-------------' will be your GIVEN.
Means assume that 'it(the line taken) intersects the line segment at 90 deg' as GIVEN and what comes before 'if' is your TO PROVE. Means ------------------, if,' Here take 'a line is perpendicular to line segment' to be TO PROVE.
Sometimes neither 'if' nor 'then' could be clearly marked out. For eg:--"The locus(collection) of the points which are equidistant from the end points of a line segment, is the perpendicular bisector of the line sement."
Convert this sentence into 'if-then' sentence without changing the meaning and apply above 'if-then' rule.
So sentence could be written in 'if then' form as:
'If the locus(collection) of the points is equidistant from the end points of a line segment, then it is the perpendicular bisector of the line segment."
You can also separate them in 'subject-predicate' form.

Answer 3

1st semester geometry was open book testing, no memorization. 2nd semester geometry was closed book testing, had to memorize 1st semester quickly. Use flash cards, write down the things you need to memorize 10 times each. the more you write them, the easier it is to remember them. Better yet, write them and say them at the same time, so you are using hearing, seeing and tactile senses. The more senses you use the easier it is to memorize things.

Answer 4

By acquiring a good memory. Check out 'The Memory Book'

http://www.amazon.com/s/ref=nb_ss_gw/102-3536340-2932130?url=search-alias%3Dstripbooks&field-keywords=the+memory+book&Go.x=10&Go.y=12&Go=Go

Answer 5

Try to understand them rather than memorising them - try to understand the (logical) steps that prove each one and you will then not really have to learn anything at all.

Answer 6

find interesting things that relate to them.

geometry uses the creative side of your brain - remember that!

maybe the reason you can't remember is because of the way you type.

Answer 7

basicaly practice...or store them in your graphing calculator and cheat..but that wont help when you take SAT and ACT

Answer 8

you have to understand them... if you understand, there's no need to memorize the theories etc...