Answer:
12. DE
13. DE
14. BE
15. DE
16. BC
Step-by-step explanation:
A midsegment is a line drawn across a triangle from one side to another that is parallel to the third side. It is also half the length of the parallel side. Here it is called DE.
Take the square root of 5, which is 2.236, aka not a rational number. It doesn't come out to a whole number so therefore there is no rational solution
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