



 
Hi Andrea, I can help get you started. In my diagram I labeled the vertices A, B, C and D, the midpoints of the sides E, F, G and H and drew the diagonal CA. Focus on the triangle ABC. If you can show CA is parallel to FE then you can use a similar argument to show A is parallel to GH. In triangle ABC extend the line segment FE to P so that FE=EP. What can you say about triangles EBF and APE? Penny  


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