# Line Segments equation

• September 27th 2007, 07:05 PM
Mr.Jiggyfly
Line Segments equation
How would I go about doing this one:

http://img171.imageshack.us/img171/7426/diagram2ey3.png
Find XY if WX = 1/3(XY)
• September 27th 2007, 07:41 PM
Jhevon
Quote:

Originally Posted by Mr.Jiggyfly
How would I go about doing this one:

http://img171.imageshack.us/img171/7426/diagram2ey3.png
Find XY if WX = 1/3(XY)

No big deal here:

$WX = x + 2$, $XY = 5x + 2$

since $WX = \frac 13 XY$, we have:

$x + 2 = \frac 13 (5x + 2)$

now solve for $x$, and plug that value into the formula for $XY$ to find its length

this is my 39:):)th post!!!