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# What do the angles add up to in a 20 sided shape?

Updated: 12/15/2022

Wiki User

11y ago

The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.

The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.

The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.

The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.

Wiki User

11y ago

Wiki User

11y ago

The interior angles add up to (20-2)*180 = 18*180 = 3240 degrees.

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Q: What do the angles add up to in a 20 sided shape?
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### What Is the sum of the angles of an 20 sided polygon?

The interior angles of a 20 sided polygon add up to 3240 degrees

### How many angles are there in 20-sided polygon?

There are 20 interior angles and they add up to 3240 degrees

### What is the sum of interier angles for a twenty sided polygon?

The interior angles of a 20 sided polygon add up to 3240 degrees

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An icosagon is a 20 sided polygon and its interior angles add up to 3240 degrees

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The exterior angles add up to 360 degrees

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The name of a 20 sided polygon is Icosagon.

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

The interior angles of an n-sided polygon add to (n-2)*180 degrees. So the interior angles of a 20-gon add to 18*180 = 3240 degrees. The 20-gon is regular so each angle is a 20th of this ie 3240/20 = 162 deg.

### What is the sum of interior angles icosagon?

3240o. The sum of the interior angles of a n sided polygon is sum = (n - 2) x 180o An icosagon has 20 sides, thus the sum of its interior angles is: sum = (20 - 2) x 180o = 3240o

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A 20-sided polyhedron is an icosahedron. A 20-sided polygon is an icosagon.