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January 31, 2015

January 31, 2015

Posted by **Mary** on Sunday, May 8, 2011 at 6:04pm.

- geometry -
**MathMate**, Sunday, May 8, 2011 at 6:16pm12 : 14 : 20

= 8 : x : y

x=8*14/12 = 28/3

y=20*8/12 = 40/3

Perimeter

= 8 + 28/3 + 40/3

= ?

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