anonymous
  • anonymous
Whoever can give me the answer to this problem first fan and a metal!!!!!!!!!! :) The perimeter of a triangle is twice the sum of its length and its width. The perimeter is 34 meters and its length is 2 meters more than twice its width. What is the length?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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misssunshinexxoxo
  • misssunshinexxoxo
What's 34 divided by 2?
Falling_In_Katt
  • Falling_In_Katt
12 meters... I think
anonymous
  • anonymous
17?

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misssunshinexxoxo
  • misssunshinexxoxo
Length should be 19
anonymous
  • anonymous
thanks :)
zepdrix
  • zepdrix
Hmm I think Katt was correct with 12... thinking..
zepdrix
  • zepdrix
Twice the sum of the length and width is equal to the perimeter (perimeter is 34),\[\Large\rm 2(\ell+w)=34\]So then,\[\Large\rm \ell+w=17\]Then from the other piece of information, The length is `2 more than` `twice the width` \[\Large\rm \ell=2w+2\]Adding 2 to each side gives,\[\Large\rm \ell+w=3w+2\]\[\Large\rm 17=3w+2\]So you get a width of 5 when solving that, and substituting that back into the other equation l+w=17, gives \(\Large\rm \ell=12\)

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