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December 21, 2014

December 21, 2014

Posted by **James** on Wednesday, January 12, 2011 at 12:02pm.

- Math -
**drwls**, Wednesday, January 12, 2011 at 12:26pmThe triangles are similar (but not congruent).

That means that corresponding sides are all in the same ratio.

BC/EF = 12/10 = AC/DF = 18/DF

DF = 18*(5/6) = 15

- Math -
**helper**, Wednesday, January 12, 2011 at 12:27pmby ratios

DF/10 = 18/12

solve for DF

- Math -
**Reiny**, Wednesday, January 12, 2011 at 3:50pmPlease do not repost the same question without checking if your last post has been answered.

It causes unnecessary work by the tutors

http://www.jiskha.com/display.cgi?id=1294796964

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