A 30-sided polygon is called a triacontagon.
It has 1,345,890 diagonals
There are 20 diagonals
A 30-sided polygon is called a triacontagon. The prefix "tria-" is derived from the Greek word for three, and "contagon" is derived from the Greek word for angle. Therefore, a triacontagon has 30 sides and 30 angles.
A icosagon has 200 diagonals
A 30-sided polygon is called a triacontagon.
It has 1,345,890 diagonals
Triacontagon
A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.
24 diagonals
2 diagonals
It has 2 Diagonals!!!
There are 20 diagonals
20 diagonals
It has 27 diagonals
14 diagonals
It has 9 diagonals