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OpenStudy (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 \[\huge\rm \frac{ height }{ base }=\frac{ height }{ base }\]
OpenStudy (anonymous):
soo 13/9=x/8
Nnesha (nnesha):
|dw:1441301759326:dw|
AD is base of big triangle
Nnesha (nnesha):
AB+BD would be base of big triangle
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OpenStudy (anonymous):
soo x/8=13/9
Nnesha (nnesha):
AB= ??
BD= ??
add both length that would be base
OpenStudy (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 ?
OpenStudy (anonymous):
8 and 9
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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 \[\frac{ 13 }{ 8+9}=\frac{ x }{ 8}\]
OpenStudy (anonymous):
104/17
Nnesha (nnesha):
yep
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