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3 years ago

What is the length of DE?? Thx :)

Mathematics

1 answer:

Alex3 years ago

7 0

Answer:

Step-by-step explanation:

Your scale factor is 3/2, because when you compare AC and DF, the ration is 18/12, or 3/2. We can set up a proportion:

3/2=15/x

We cross multiplu

3x=30

x=10

So, the length of DE is 10 units.

Hope this helps!

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