Suppose we have two line segments
Which one is bigger?
By seeing, we can see that (CD) is bigger than (AB)
Let’s take another example
Which one is bigger ?
Some will say (AB) , some will say (CD)
So, it is not obvious whether (AB ) is bigger or (CD)
This is because we see differently and our judgment of length is not accurate.
So, we have to use another method.
Let’s try comparing by tracing paper
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