need help in geometry homework!!!!!!!!?

Question

1.what is the difference between informal proof and formal proof?

2.How are postulates used in liturature? here is an example: the writers of the US Constitution assumed that citizens would act appropriately when they were writting the amendments. so they assumed that this was a true statement.

Answer 1

1) You might want to check your book for a specific definition of the difference, as it rather depends on how your teacher/textbook chooses to define "formal". Generally speaking, a formal proof is one in which every reason is stated and every possibility is considered. It is generally highly structured. In terms of high school geometry, a two-column proof is generally the only truly "formal" proof technique you have.

An informal proof is much more loosely organized. What is sometimes called a "paragraph proof" would be an example. You still need to document and justify the major steps in your proof, but some of the more "obvious" steps are merely stated or possibly even assumed.

2) A postulate is something accepted as true without proof. Another word for "postulate" is "axiom". In the specific example you gave, the writers postulated that citizens would act appropriately. Pretty much any time you see an assumption, you can treat it as a postulate.

I hope that helps.

Answer 2

i want to help others those are in problem.because i love problems so if you want i can help you in your geometry home work and many other problems you have.if you want i help you mail me with your e-mail address.My e-mail address [e-mail].i am not born in1993 my brother has born i love him very much so i have written 1993 in my id.

Answer 3

i don know