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What is the length of DE?
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5 votes
What is the length of DE?

What is the length of DE?-example-1
User Muhammadjon
by
3.4k points

2 Answers

8 votes

Answer:

The length of DE is 5 because they are similar triangle .

User Sultana
by
3.7k points
7 votes

Answer: B. 6

Step-by-step explanation:

The triangles are similar. We can use the SAS similarity theorem to prove that claim.

Because the triangles are similar, the corresponding sides form a proportion like shown below

12/8 = 9/x

12x = 8*9 ... cross multiply

12x = 72

x = 72/12

x = 6 which is why the answer is choice B

User DutGRIFF
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3.3k points
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