anonymous
  • anonymous
Triangle ABC is congruent to triangle DEF. In triangle ABC, side AB measures 4, side BC measures x+8, and side CA measures 8. In triangle DEF, side DE measures 4, side EF measures 3x+3, and side FD measures 8. What equation would help you to solve for the side length of BC and EF? Explain your reasoning using complete sentences.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@ganeshie8
anonymous
  • anonymous
@wolf1728 plz help
welshfella
  • welshfella
side BC is congruent to side EF so x + 8 = 3x + 3

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More answers

welshfella
  • welshfella
solve this equation for x then you you can calculate the length of the sides BC and EF
anonymous
  • anonymous
@welshfella can u help me??
anonymous
  • anonymous
@welshfella I got 5/2 is that correct
welshfella
  • welshfella
x + 8 = 3x + 3 subtract x from both sides 8 = 2x + 3 add 3 to both sides 11 = 2x divide both sides by 2 x = 5.5
welshfella
  • welshfella
oops i made an error.. 8 = 2x + 3 subtract 3 from both sides 5 = 2x x = 2.5
welshfella
  • welshfella
or 5/2 thats the value of x now you have to plug this into x + 8 to find the length of BC and EF.
welshfella
  • welshfella
BC = 2.5 + 8
welshfella
  • welshfella
ok?
anonymous
  • anonymous
ok thank you very much (:

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