no
Yes, of course.
Since you didn't include the statements in your question there is no way for us to know
Steps in a geometric proof do not require support
Could you please specify which postulate you are referring to?
the theorems and postulates used in the proof
Guess Conjecture
Yes, of course.
conclusion
Theorems, definitions, corollaries, and postulates
Conjecture and Guess.
Pythagorean theorem
Postulate, Corollary, Definition, & Theorem
Since you didn't include the statements in your question there is no way for us to know
Steps in a geometric proof do not require support
A statement accepted without proof is commonly known as a theorem. The other word that is used for such statements is postulate.
definition,postulate,theorem,& CorollaryDefinition, Theorem, Corollary, and PostulateA.PostulateB.DefinitionD.Algebraic property(answers for apex)a and cpostulate, theorem, and definition
The corollaries types of statement is what is used to explain the steps of a proof.