johnafro
johnafro
07-04-2017
Mathematics
contestada
i get none of this...please help?
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kemanci
kemanci
14-04-2017
1. The sum of the angles in a triangle is equal to 180. 3x+2x+x=180
2. 3x+2x+x=180 Combine like terms. 6x=180 180/6=30 x=30
3. 3*30=90; 2*30=60 1*30=30
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