Aregular polygon with an interior angle sum of 9000°? if so, what is it?

The question ask to determine what is a regular polygon that contains an interior angle of 9000 degree, base on my research, according to the geometrical research, I would say that the said polygon is a 52 sided convex polygon. I hope this would help 

There is 240 red cars and there is 400 blue cars because 240/3=80 and 80*5=400