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Q: What is the exterior measure of a 20 sided polygon?

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20 degrees

20

360/20 = 18 degrees.

each angle= 20 degree

The sum of the exterior angles of a polygon, however many sides it has, is 360 degrees. If the 20 sided polygon is regular, its angles are equal, and each is then 360/20 = 18 degrees.

The sum of the exterior angles of any polygon and the extension of its adjacent side is 360 degrees.If the 20 sided polygon is regular, then each angle is equal so that each one is 360/20 = 18 degrees.

20 degrees. The exterior angles always add up to 360 degrees.

Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.

A 20-sided polygon is called an icosagon.

The name of a 20 sided polygon is Icosagon.

The name of a 20 sided polygon is Icosagon.

The name of a 20 sided polygon is Icosagon.

If it is a regular polygon then each exterior angle is 360/20 = 18 degrees

If the 20-sided polygon is a regular polygon, then:The sum of all 20 angles = (20 - 2)180⁰ = 18(180⁰) = 3240⁰Each angle measure = 3240⁰/20 = 162⁰

3240o

18

The measure of an interior angle in degrees of a regular polygon of n sides is given by the formula: 180 x (n-2) / nSubstituting with n=18, then the answer is that the interior angle = 160The measure of an exterior angle in degrees of a regular polygon of n sides is given by the formula: 360/nSubstituting with n= 18, then the answer is that the exterior angle = 20

The question can be answered only if the 20-gon is regular - ie all its angles are the same. IF that is the case, then: The sum of the exterior angles of any polygon is 360 degrees. Since there are 20 exterior angles, each of them must be 360/20 = 18 degrees.

It has 20 sides. 360/18= 20. (: You use 360 because that's the sum of all exterior angles.

A 20-sided polygon is an icosagon.(see related link)

A 20 sided polygon is an 'icosagon'

The exterior angle of a 18 sided shape is 360/18 =20 degrees The exterior angle is always 360 divided by the numbe of sides of that polygon. =) what the hell im i doing answering this?

Icosahedron is a 20 sided polygon.

The sum of the exterior angles of any polygon is 360 degrees. If each angle is 20 degrees, there must be 360/20 = 18 such angles. 18 angles means 18 sides so it is an 18-sided polygon.

18 degrees providing it is a regular polygon