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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?

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โˆ™ 2008-12-10 23:53:46
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Q: What is the exterior angle of an 18 sided shape?
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Related questions

What is the exterior angle of an 20 sided shape?

If it's regular then 360/20 = 18 degrees


Interior angle for 20 sided shape?

Exterior angle = 360/20=18 interior angle = 180 - 18 = 162 Must be regular shape


What shape has a exterior angle of 20 degrees?

A regular 18 sided polygon has 18 exterior angles each measuring 20 degrees


What is the exterior angle of a regular 20 sided angle?

18 degrees


What is the exterior angle of a 18 sided polygon?

each angle= 20 degree


What is the measure of an exterior angle of a regular 18-sided polygon to the nearest tenth?

Each exterior angle will measure 360/18 = 20.0 degrees


What will be the measure of an exterior angle of a regular 18 sided polygon?

56


What is the exterior angle sum of a 18 sided ploygon?

The exterior angles add up to 360 degrees.


What is the measure of each exterior angle of an 18 sided polygon?

20 degrees


What is the measure of each exterior angle of a regular 18-sided polygon?

20


What is the size of an interior angle of a 20 sided regular polygon?

exterior angle = 360° ÷ 20 sides = 18° interior angle = 180° - exterior angle = 180° - 18° = 162°


Interior angle of 18 sided shape?

The interior angles of an 18 sided polygon add up to 2880 degrees


What is the measure of an exterior angle of a regular 20- sided polygon?

360/20 = 18 degrees.


What is the exterior angle of a regular 18 sided polygon?

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


What is the size of each exterior angle of a regular twenty sided polygon?

You simply do 360/20=18 so the size of each interior angle is 18 degrees.


What is the interior and exterior angles on a 20 sided shape?

Interior angles total 40 - 4 right angles, ie 36 x 90o, so each interior angle is 18 x 9 ie 162o and the exterior is 180 - 162 = 18o


What is the sum of the external angle measures of a 18-sided polygon?

The exterior angles of any polygon add up to 360 degrees


What is the exterior angle of a twenty sided ploygon?

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.


Interior angle of and 18 sided shape?

To work out the interior angle use this formula(n - 2)*180/nwhere n is the number of sidesso for an 18 sided shape it would be(18-2)*180/18 = 160.


Each exterior angle of a regular polygon measures 20 degrees how many sides does the polygon have?

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.


Interior angle and each exterior angle of a regular 18-gon?

Interior angle measure of a 18-gon = [180⁰(18 - 2)]/18 = 10⁰(16) = 160⁰. Exterior angle measure = 180⁰ - 160⁰ = 20⁰.


What is the measure of each interior angle of a 18 sided regular polygon?

The interior angle of an octdecagon, an 18 sided regular polygon, is 160o.


What are the exterior angles on a 20 sided polygon?

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.


What is the measure of each exterior angle of a 20 gon?

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


How many sides does a regular polygon have if the measure of an angle is 18?

If the exterior angle is 18 degrees then it will have 20 sides.

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