decade
Decameter, decagon
nonagonal nonagenarian
Any polygon is regular if its sides are all the same length, or irregular if they're not. If all 10 sides of your decagon are the same length, then you have a regular decagon. If they're not, then you have an irregular one.
It still has ten sides, same as a normal decagon. "Irregular" simply means that all the sides and angles of the decagon are not congruent.
decade
Nonagon is a word that begins with the prefix "non" and means a polygon with nine sides.
YES! decade, decagon, decathlon, decathlete by the way , if there were no words that started with "deca-", then by definition, "deca-" would not be a prefix...
10 sides on a "decagon." deca as a prefix means 10.
A vertex is the same as an angle. A decagon has 10.A vertex is the same as an angle. A decagon has 10.A vertex is the same as an angle. A decagon has 10.A vertex is the same as an angle. A decagon has 10.
decade
decimal, December [ originally the 10th month in the Roman calendar ], decagon, decare and decahedron
Words with the same prefix as mismatch:miscalculatemisconstruemiscountmiscuemisdiagnosemisfortunemisjudgemisleadmismanagemisplacemispronouncemisreadmisrepresentmisstatemisstepmistreat
Words with the same prefix as decode:debriefdecomposedecreasedeductdefamedeflatedeformeddefusedefrauddegradedehydratedejecteddelousedemilitarizedemeritdemanddemarcationdenotedenouncedepressderailderangeddethronedetractdetaindevaluedevote
Because the prefix 'deca' means ten. A decagon has ten sides - a decade is ten years.
i believe it would be called a decagon. the prefix "deca" meaning ten, as in decade (10 yrs)
The prefix "dec" means ten. For example, the word "decagon" refers to a ten-sided polygon.