Sum of areas

Geometry Level pending

$$ABCD$$ and $$XYZD$$ are both parallelograms. The height and base of parallelogram $$ABCD$$ are $$3$$ and $$6$$, respectively. Point $$X$$ lies on $$\overline{AB}$$ and point $$C$$ lies on $$\overline{YZ}$$. What is the sum of the areas of triangle $$XYC$$ and triangle $$DCZ$$?

×