If an exterior angle of a regular polygon measures 120°, how many sides does the polygon have?

1 Answer
Jim G.
Feb 24, 2018

#3" sides it is a triangle"#

Explanation:

#"the sum of the exterior angles of a polygon is "360^@#

#"for a regular polygon with n sides"#

#•color(blue)" exterior angle "=360^@/n#

#rArrn=360^@/color(blue)"exterior angle"#

#color(white)(rArrn)=360/120=3#

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