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# What is the measure of an interior angle of a 18-gon?

Updated: 11/4/2022

Wiki User

12y ago

Any angle that you like. The only constraint is that the sum of all 18 interior angles is 2880 degrees.

Wiki User

12y ago

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Q: What is the measure of an interior angle of a 18-gon?
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### What is the measure of the supplementary angle of an interior angle?

The measure of the exterior angle.

### What is the measure of a polygons interior angle?

It is: 180-exterior angle = interior angle

### What is the measure of an interior angle of a normal polygon with 15 sides?

Each interior angle will measure 156 degrees

### What is the measure of an interior angle that has a regular polygon with 20 sides?

Each interior angle will measure 162 degrees

### How can you get the measure of an interior angle if you have the measure of the exterior angle of a regular polygon?

It is: 180-exterior angle = interior angle because there are 180 degrees on a straight line

### What is the measure of one interior angle on a regular polygon with an interior angle sum of 2160 degrees?

It will have 14 sides and each interior angle will measure 2160/14 degrees

### What is an exterior angle of a triangle and how does the measure of an exterior angle relate to the interior angles?

Exterior angle+interior angle=180 degrees and 180-exterior angle=interior angle

### How do you measure the interior angle of a polygon?

With a protractor or if you know the exterior angle then it's 180 - exterior angle = interior angle

### The measure of an exterior angle of a triangle is equal to the measure of either remote interior angle?

No. The sum of the other two interior angles.

### What the measure of interior angle of an equiangular pentagon?

Each interior angle measures 108 degrees

### The measure of an interior angle of a heptagon?

Any angle that you like.

### How do you measure an exterior angle?

by subtracting the interior angle from 360