A decagon
You only know that all ten interior angles of a 10-sided figure add up to 1,440 degrees.IF the 10-sided figure happens to be REGULAR, then each of them is 144 degrees.
Dodeca-, meaning 2+10, is used in describing any 12-sided figure thus dodecagon
Decagon.
A decihedron. Deci means 10.
Not sure about "another" since there is no such thing as a dectagon. A 10 sided figure is a decagon.
decagon
A decagon
A decagon
Decagon
The name of a 10 side polygon is called a decagon
A 10 sided polygon is a decagon.
Decagon
The name of a 18 sided figure is an octadecagon or octakaidecagon. As you can see the prefix octa- means 8, and deca- means 10. It has 18 sides and 18 vertices,
A 10 sided figure
they're not. A 10 sided figure is a decagon, while a 12 sided figure is a dodecagon. do=2, deca=10.
You only know that all ten interior angles of a 10-sided figure add up to 1,440 degrees.IF the 10-sided figure happens to be REGULAR, then each of them is 144 degrees.