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  • 03-08-2017
  • Mathematics
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Someone help me please !

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musiclover10045
musiclover10045 musiclover10045
  • 03-08-2017

AE x BE = DE x CE

6x5 = 30

6 x DE = 30

DE = 30/6 =5

DC = DE +CE = 5+6 =11

Answer is C) 11

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