# Nasty Triangle

**Geometry**Level 1

The diagram above shows a triangle, it is known that \(ADEF\) is a parallelogram, \(X\) is a point on line \(AB\), \(Y\) is a point on line \(AC\). If the area of \(\triangle XEF\) is 1, then the area of \(\triangle DEY\) is...

This is one part of 1+1 is not = to 3.