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March 6, 2015

Posted by **Shadow** on Thursday, September 1, 2011 at 8:41pm.

I know the formula for Triangle Perimeter is 2(L+W) and the L is +5 more than the W but I can't write the equation for it. This is what I was thinking 58= 4x-5

Thanks again.

- Math -
**Nar**, Thursday, September 1, 2011 at 8:47pm2(x+(x+5))=58

2(2x+5)=58

4x+10=58

then subtract 10 from both side, which gives you,

4x=48

here x=12 and the length is x+5 which is 12+5=17

L:17 and B:12

- Math -
**bobpursley**, Thursday, September 1, 2011 at 8:47pmperimeter=2(l+W)=2(w+5+w)

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