Nasty Triangle

Geometry Level 1

The diagram above shows a triangle, it is known that ADEFADEF is a parallelogram, XX is a point on line ABAB, YY is a point on line ACAC. If the area of XEF\triangle XEF is 1, then the area of DEY\triangle DEY is...


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