The sum of the interior angles of a regular polygon is 1800 degree. Determine the following
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12 is the answer of question
1800=(2n-4)90
1800÷90=(2n-4)
20+4=2n
24÷2=n
12=n
SOLVE
1800=(2n-4)90
1800÷90=(2n-4)
20+4=2n
24÷2=n
12=n
SOLVE
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