# Triangle

• January 8th 2006, 06:32 AM
totalnewbie
Triangle
How much is x ?
• January 8th 2006, 07:23 AM
CaptainBlack
You have similar triangles: Triangle $BDE$ is similar to triangle $BAC$.

So:

$\frac{BD}{AB}=\frac{DE}{AC}$,

or:

$\frac{AB-x}{AB}=\frac{x}{AC}$.

From which you should be able to find $x$.

RonL