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108 degrees

The sum of all interior angles of a polygon is equal to the following:

180n-360, where n is the number of sides.

For n=5, the total of all of the angles is 180*5-360=900-360=540.

Since every angle in a regular polygon, each interior angle of a regular pentagon is 540/5=108 degrees.

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Related Questions

Size of interior angle of regular pentagon?

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thirty sixImproved Answer:-Providing that it's a regular pentagon then each interior angle will measure 108 degrees


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