# 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.

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