Question #b16c8

1 Answer
Jim G.
Jan 29, 2018

#10" sides"#

Explanation:

#"the sum of the interior angles of a polygon is"#

#• " sum "=180(n-2)#

#"where n is the number of sides"#

#rArr180^@(n-2)=1440^@larrcolor(blue)"solve for n"#

#"divide both sides by 180"#

#rArrn-2=1440/180=8#

#"add 2 to both sides"#

#rArrn=8+2=10" sides"#

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