Brain Game: Three Strokes Down
By BY

Here's a new mentalfloss.com Brain Game Free-for-all Friday challenge. Enjoy!
As depicted below, what letter in the following series is missing, and why?
Here is the ANSWER.
THE ANSWER:
N.
The letters represent the 8 capital letters that, when written by hand, are drawn using three straight lines.
Thanks for playing, and have a great weekend!