"Poly gonos": many angled.
The "proper" name is pentacontakaitetragon. Most people, including mathematicians, will use 54-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The formal name is heptadecagon. Most people, including mathematicians, will use 17-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The proper name is icositetragon. Most people, including mathematicians, will use 24-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The "proper" name is icosiheptagon. Most people, including mathematicians, will use 27-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The formal name is tricontakaidigon. Most people, including mathematicians, will use 32-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The formal name is icosihexagon. Most people, including mathematicians, will use 26-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The formal name is dihectagon. Most people, including mathematicians, will use 200-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The formal name is heptacontagon. Most people, including mathematicians, will use 70-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The proper name is pentacontatrigon. Most people, including mathematicians, will use 53-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The proper name is octadecagon. Most people, including mathematicians, will use 18-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The proper name is tetradecagon. Most people, including mathematicians, will use 14-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
The proper name is icositrigon. Most people, including mathematicians, will use 23-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.