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what is the sum of the measures of the interior angles of a regular 18-gon

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what is the sum of the measures of the interior angles of a regular 18-gon

meaures-of-interior-angles

asked Nov 26, 2013 in GEOMETRY by johnkelly Apprentice

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1 Answer

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Formula for sum of interior angles = 180(n-2)

When n = number of sides

Given n = 18

sum of interior angles of 18-gon = 180(18-2)

= 180*16

= 2880 degrees

answered Dec 16, 2013 by ashokavf Scholar

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