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If you mean legal proof, I suggest you resort to the topmost researchs published, specialists etc.

If you are just trying to win a debate, resort authentic knowledge available to you, libraries, professional people

If you just want to proof something to your girlfriend, wikipedia is a good source.

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Wiki User

13y ago

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Q: What are the sources you may use for reasons in a proof?
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Continue Learning about Math & Arithmetic

What do you use as reasons to support the steps of geometric proof?

the theorems and postulates used in the proof


What are the three main things you will use for reasons in the right hand column if a proof?

garnish


How do you do proofs?

A proof is a very abstract thing. You can write a formal proof or an informal proof. An example of a formal proof is a paragraph proof. In a paragraph proof you use a lot of deductive reasoning. So in a paragraph you would explain why something can be done using postulates, theorems, definitions and properties. An example of an informal proof is a two-column proof. In a two-column proof you have two columns. One is labeled Statements and the other is labeled Reasons. On the statements side you write the steps you would use to prove or solve the problem and on the "reasons" side you explain your statement with a theorem, definition, postulate or property. Proofs are very difficult. You may want to consult a math teacher for help.


What is a geometry proof?

A geometry proof is a step-by-step explanation of the process you took to solve a problem. Instead of using numbers, you use words. There are two types of proofs: a paragraph proof, and a column proof. The column proof is the most common proof. In this proof, you must set up a t-chart. On the left side, you must write the steps you took to solve the problem. Make sure you number each step. On the right side, explain why you took this step. Make sure to number each explanation with the same number as the step on the left side you are explaining. Sources: Calculus III Student in 12th grade Took geometry in 8th grade


Proof of 30-60-90 theorem?

Use the law of sines.