Please help me with the question! 100 points!!

Answer:
oof this is hard, soo i'd say the answer is EC:EA because for example, EA:EC got bigger instead of smaller so thats not it.
Maybe this'll help you understand it
Answer:
EC / EA
Step-by-step explanation:
We can use ratios of similar triangles to solve
Taking the new image over the original image
EC DC
-------- = ----------
EA BC
This is also the scale factor
EC / EA