S = sum of the interior angles of a polygon with n sides
S = 180(n-2)
3600 = 180(n-2)
3600/180 = n-2
20 = n-2
20+2 = n
22 = n
n = 22
Answer from: Quest
Use a calculator basically
Answer from: Quest
step-by-step explanation:
what grade level is this? need to know so i can look in my old textbooks!
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