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12 votes
12 votes
How long is DE rounded to the nearest tenth? Enter your answer in the box.​

How long is DE rounded to the nearest tenth? Enter your answer in the box.​-example-1
User Chh
by
2.9k points

1 Answer

26 votes
26 votes

Answer:

7.2

Explanation:

Length AB is the difference of the horizontal dimensions shown:

AB = GF = EF -EG

AB = 12 -7 = 5

The triangles in the figure are all similar, so we have ...

DE/DC = CB/AB

DE/12 = 3/5

DE = 12(3/5) = 7.2

User Moinudin
by
2.9k points