Geometry

MartyMurray: Legendary Member; Posts: 2131; Joined: Mon Feb 03, 2014 9:26 am; Location: https://martymurraycoaching.com/; Thanked: 955 times; Followed by:140 members; GMAT Score:800

by MartyMurray » Mon Dec 07, 2015 3:59 am

Sum of interior angles of a polygon with n sides = 180(n - 2)

900 = 180(n - 2)

5 = n - 2 n = 7

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