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BartSMP [9]
3 years ago
15

In the given triangle ABC, find DE. answers: 20 5 10 2.5

Mathematics
1 answer:
adell [148]3 years ago
5 0

Answer:

5

Step-by-step explanation:

Let's call the length AD y.

\dfrac{x+2}{y}=\dfrac{8x-14}{2y} \\\\\\2(x+2)=8x-14 \\\\\\2x+4=8x-14 \\\\\\4=6x-14 \\\\\\6x=18 \\\\\\x=3 \\\\\\DE=x+2=3+2=5

Hope this helps!

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