Without the image to refer to, I can't make a specific conclusion. However, we can analyze the statements logically based on geometric concepts.
- DF = DE suggests that DF and DE are equal lengths.
- 2DF = AC implies that the length of AC is twice the length of DF.
- DE = 1/2 AB indicates that DE is half the length of AB.
- DF = 1/2 BC states that DF is half the length of BC.
To determine which statement must be true, we would usually look for relationships or dependencies among the lengths.
You can evaluate if each statement can be deduced from others or if inconsistencies arise. If you summarize the relationships algebraically or visually, you might find a conflicting or supported statement.
Please provide additional context or the relationships depicted in the image for more tailored assistance!