A pentadecagon is a 15-sided polygon.
Find the sum of the measures of the interior angles of a pentadecagon. (Don't type the word degrees into your answer, just put the value.)
180(n - 2), where n = number of sides
This means the sum of the interior angles of a pentadecagon is: 180(15 - 2)
= 180(13) = 2340o