spidergirl51
A square and an isosceles triangle have the same perimeter. The sides of the square are x + 2 and the base of the triangle is x and sides x +5,find x.



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muntoo
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dw:1351135854058:dw

gallaxhar
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x + x + 5 + x + 5 = x +2 + x +2 + x +2 + x +2

soty2013
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dw:1351135964481:dw

muntoo
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\[\large P = 4(x+2) \]
\[\large P = (x+5)+(x+5)+x \]

spidergirl51
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um which is right i am confused

gallaxhar
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all of them are right ways to do it

spidergirl51
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oh ok

muntoo
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All of them are the *SAME* way to do it. ;)

gallaxhar
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they arent answers, we set up the equation for you to solve for x

spidergirl51
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x=2

muntoo
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Yes.