Question
When you state $A C=A C$, what property are you using? When you state $A C^{-}=\overline{A C}$, what property are you using?
Step 1
This property states that for any quantity, that quantity is equal to itself. In mathematical terms, for any real number $a$, $a = a$. So, in this case, the segment $AC$ is equal to itself. Show more…
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Key Concepts
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