Verified Answer :

An equation using these points and the segment addition postulate
would be DE + EF = DF. I am hoping that this answer has satisfied
your query and it will be able to help you in your endeavor, and if you would
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Answer:

There are three collinear points , D, E and F.The meaning of collinear poits is that these three points lie on a straight line.

→E is between D and F.

The equation using Segment Addition Postulate is:

   DE + EF=DF

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