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Please help me, What is the length of DE?
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3 votes
Please help me, What is the length of DE?

Please help me, What is the length of DE?-example-1
User Hanjoung Lee
by
4.1k points

1 Answer

3 votes

Answer:

B

Explanation:

The 2 triangles are similar, so the corresponding sides are in proportion, that is


(DE)/(XY) =
(FD)/(ZX) , substitute values


(DE)/(9) =
(8)/(12) ( cross- multiply )

12 DE = 72 ( divide both sides by 12 )

DE = 6 → B

User Mariu
by
4.8k points
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