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The measure of one interior angle of a regular polygon with 20 sides is 162°.
The general rule to find the measure of the interior angle of a polygon with n sides is:
( n - 2 ) * 180° / n
In the case of our 20-gon, n equals 20, so...
( 20 - 2 ) * 180° / 20
18 * 180° / 20
3240° / 20
162°
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Continue Learning about Geometry
Which is the measure of one interior angle of a regular pentagon?
180
Which is the measure of one interior angle of a regular triangle?
45 degree
What is the measure of one interior angle of a regular polygon with 4 sides?
A regular polygon with 4 sides is a square. The measure of any interior angle of a square is 90 degrees.
What is the measure of one interior angle of a regular decagon?
Each interior angle measures 144 degrees
What is the measure of one interior angle of a regular polygon with 5 sides?
Each interior angle of a regular 5 sided pentagon measures 108 degrees
Related Questions
What is the angle measure of one angle in a regular octagon?
135
What is the measure of one angle of a regular decagon?
144
What is the measure of one angle of a regular dodecagon?
150
What is the measure of one angle of a regular nonagon?
140
Which is the measure of one interior angle of a regular pentagon?
180
What is the measure of one interior angle of a regular undecagon?
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What is the measure of one angle of a regular 11-gon?
36
What is the measure of one interior angle of a regular triangle?
60
What is the measure of one central angle of a regular polygon?
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What is one angle measure of a regular pentagon?
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What is the degrees of 1 angle on a pentagon?
The measure of one angle of a regular pentagon is 108 degrees.
What is the measure of one angle in the regular octagon?
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