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To determine the total number of degrees of any polygon, you can use the equation y=180x-360, where x is the number of sides.
In your case, it would be y = 180(21) - 360, which equals 3420 degrees.
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∙ 11y ago
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What do you call a 21-sided polygon?
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
What is the sum of a 21 sided polygon?
The name of a 21 sided polygon is Icosihenagon.
21 sided polygon?
An icosikaihena is a polygon with 21 sides
Twenty one sided polygon?
The name of a 21 sided polygon is Icosihenagon.
What is 21 sided polygon called?
Icosikaihenagon
What do you call a 21-sided polygon?
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
What is the sum of the exterior angles of a 21 sided polygon?
The sum of the exterior angles of any polygon, regardless of the number of sides, is always 360 degrees. Therefore, the sum of the exterior angles of a 21-sided polygon is 360 degrees.
What is the sum of a 21 sided polygon?
The name of a 21 sided polygon is Icosihenagon.
What is a 21 sided polygon called?
21 sided polygon: icosikaihenagon or henicosagon
What is the sum of the interior angles of a 21 sided polygon?
180*(21-2) = 180*19 = 3420 degrees.
21 sided polygon?
An icosikaihena is a polygon with 21 sides
Twenty one sided polygon?
The name of a 21 sided polygon is Icosihenagon.
How many triangles are formed by the diagonals in a 21 sided polygon?
The number of triangles formed by the diagonals of a 21 sided polygon is C(21,3) = 21x20x19/3x2x1 = 1,330.
What is a 21-sided polygon?
Icosagon
What is 21 sided polygon called?
Icosikaihenagon
What is Icosikaihenagon?
the icosikaihenagon is a 21 sided polygon
How many diagonals can you draw fron one vertext of a 23 sided polygon?
21
