DODECAHEDRON
octanoianogon
Dodecahedron
There is no such shape.
A shape that has a name consisting of seven letters could be a hexagon. A hexagon is a six-sided polygon.
A 2D shape that has four sides and is thirteen letters long is a quadrilateral.
Diamond.
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A shape with sides of equal length is referred to as REGULAR. This has 7 letters.
It is polygon but this type of shape is a nonagon.
12 letters
it has 7 letters
A cone