A forty-sided shape is called a tetracontagon. The prefix "tetra-" signifies the number four, and "-contagon" denotes a polygon with a specified number of sides. In geometry, polygons are classified based on the number of sides they have, with a tetracontagon being a specific type of polygon with forty sides.
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A Tetracontakaitetragon is a forty - five sided shape ...
a 4 sided shape is called a quadrilateral
== == A 56 sided shape is called a Pentacontakaihexagon.
A 600-sided shape is a hexcosiagon.
A twelve sided shape is a dodecagon.