Nine-Point Circle

[pholee95]

Let triangleABC be Euclidean triangle and let points D, E, F, L, M, N, and H be as in the figure below.

a) Prove that quadrilateralEDBF is a parallelogram and that DB=DN.

Here is the photo.

 

[ksdhart2]

Sorry, but that image is way too small for me to read anything it says. Can you upload a bigger, more legible version please? Thank you.