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How many degrees is a 21 sided polygon?

Updated: 4/28/2022

Wiki User

∙ 12y ago

Best Answer

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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∙ 12y ago

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Continue Learning about Geometry

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

Related questions

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?

Oh, dude, a 21-sided polygon is called a icosikaihenagon. Yeah, I know, it sounds like something you'd make up after a few too many drinks at a math convention. But hey, that's the beauty of geometry - it's like a party where all the shapes get together and have a good time.

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

How many diagonals can you draw fron one vertext of a 23 sided polygon?

21

What would you call a 21 sided polygon?

icosihenagon

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