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How many diagonals does a nine sided polygon?
For an n-sided polygon, the number of diagonals is 1+2+3+....+(n-4)+2(n-3). For a nine-sided polygon, there are 1+2+3+4+5+2(6)=27 diagonals.
What is the name of a 10 sided polygon called?
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.
How many diagonals does a 56 sided polygon have?
56*(56-3)/2 which is 1484
How many diagonals are there in a 40-sided polygon?
0.5*(402-120) = 740 diagonals
How many diagonals in a 50 sided polygon?
50*(50 - 3)/2 = 1175 diagonals.
What do you call a 10 trillion sided polygon?
I'd recommend "decatrillogon" for ten trillion sides.
What do you call a billion sided polygon?
One billion-sided polygon = GIGAGON
What is a trillion sided polygon called?
trilligon
What is a wameagon?
A wameagon is a 1 trillion sided polygon. 1 trillion is 1000000000000.
What do you call a 21-sided polygon?
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
What do you call a 85 sided polygon?
The name of a sided polygon is Octaconpentagon.
What do you call an 18 sided polygon?
The name of a 18 sided polygon is Octadecagon.
What can you call a 45 sided polygon?
The name of a 45 sided polygon is Tetraconpentagon.
What do call a 7 sided polygon?
The name of a 7 sided polygon is Heptagon.
What do they call a 10 sided polygon?
The name of a 10 sided polygon is Decagon.
What do you call a eight sided polygon?
The name of a 8 sided polygon is Octagon.
What do you call a 33 sided polygon?
The name of a 33 sided polygon is riacontakaitrigon.
