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What is a 12 sided object called?A twelve sided object is called a dodecagon. I'm glad I could help. =)
In Geometry a 15 sided shape is called a pendedecagon polygon with 15 angles and sides
In Geometry a 15 sided shape is called a pendedecagon polygon with 15 angles and sides
A hendecagon.
A five sided 2 dimensional object is called a pentagon.