anonymous
  • anonymous
help
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1441301366402:dw| given that : line AB=8 line BD=9 line DE=13 line BC=X what is the value of X
Nnesha
  • Nnesha
hmm both triangles are similar so you can set teh proportion \[\huge\rm \frac{ height }{ base }=\frac{ height }{ base }\]
anonymous
  • anonymous
soo 13/9=x/8

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Nnesha
  • Nnesha
|dw:1441301759326:dw| AD is base of big triangle
Nnesha
  • Nnesha
AB+BD would be base of big triangle
anonymous
  • anonymous
soo x/8=13/9
Nnesha
  • Nnesha
AB= ?? BD= ?? add both length that would be base
anonymous
  • anonymous
im lost
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @jamesr given that : line AB=8 line BD=9 line DE=13 line BC=X what is the value of X \(\color{blue}{\text{End of Quote}}\) AB =what BD= what ?
anonymous
  • anonymous
8 and 9
Nnesha
  • Nnesha
AD is length not jsut BD
Nnesha
  • Nnesha
yes right that would be base of big triangle AB+BD 8+9= base
Nnesha
  • Nnesha
so it's \[\frac{ 13 }{ 8+9}=\frac{ x }{ 8}\]
anonymous
  • anonymous
104/17
Nnesha
  • Nnesha
yep
Nnesha
  • Nnesha
divide that
anonymous
  • anonymous
6.117647059
Nnesha
  • Nnesha
looks good so x is what ?

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