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What is the lengh of de?

What is the lengh of de?-example-1
User Alexkr
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1 Answer

5 votes
DF is 2/3 the length of AC (10/15 = 2/3)
so DE would be 2/3 the length of AB

AB = 27

DE = 2/3 x 27 = 18

the answer is D

User Joshua Shearer
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