Ilovedavid123456 Ilovedavid123456

11-02-2014
Mathematics

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Can someone plz help me with the bottom part

Can someone plz help me with the bottom part class=

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crisforp crisforp

11-02-2014

9.

2x +3 + x +9 = 180 => 3x + 12 = 180 => 3x = 168 => x = 56 => m(<ABD) = 2*56 +3 = 115.

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