Answer:
how are you suppose to answer the question
Sum of all interior angles = (n - 2) x 180
Sum of all interior angles of a 18-gon = (18 - 2) x 180 = 2880°
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Answer: 2880°
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Answer:
x = 10
y = 1
DE = 7
AC = 14
Step-by-step explanation:
x + 2 = 24/2
x = 12 - 2
x = 10
y + 6 = x - 3
y = 10 - 3 - 6
y = 1