There are some 2000 known and recorded ONA MSS explaining various details regarding the ONA and its Work and Mythos. Some of these are archived on the internet, some are archived only in private collctions. These include, NAOS, THE BLACK BOOKS OF SATAN 1,2 and 3, HOSTIA (3 Volumes), FENRIR MAGAZINE (at least 12 editions), THE DEOFEL QUINTET (5 volumes) the NASZ DOM SPHERE TEXTS (280 or so texts) + many many more. There are also Chants, Music, and Soundscapes. Some of these can be found within arguably the best source for these materials: www.lulu.com/otoanorha in hardcover editions, CD's, or downloads. The "Black Glyph Society" contains the majority of these.
They have nine sides, and nine internal angles.
Nine.
Nine.
Nine of them.
Nonagon It has nine sides and nine angles.
A nonagon has nine sides, nine angles and nine corners (vertices).
It is a nonagon which is a polygon that has 9 sides
A figure or polygon having nine sides and nine angles.
A 9-gon is a polygon with nine sides and nine angles
A nonagon. It also has nine sides.
Nonagon
a nonagon has nine sides and nine angles and nine corners. It comes from the Latin word 'nonus' meaning nine.