decahedron
decagon
A Decagon
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A ten-sided polygon is called a decagon. A decagon has ten internal angles of 144-degrees. All sides of a regular decagon are equal length.
Decagon.
360° This applies to the exterior angles of any polygon.
''Decagon'' is any polygon with ten sides and ten angles ''Regular decagon'' is a polygon with ten sides of equal length and all angles equal to 144°
If you meant decagon, A polygon with ten angles and ten sides.
The name of a regular polygon, with ten equal sides and ten equal angles, is a decagon, from the Greek word "deka", meaning ten.
A ten sided polygon is called a Decagon.
A polygon with five angles and five sides is a pentagon.
The interior angles of a 10 sided polygon add up to 1440 degrees