andy6128
17.11.2019 •
Mathematics
How can i solve this question step by step?
in the interior angles of a regular polygon sum to 1260 degrees. how many sides does it have?
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Ответ:
9
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides, thus
180 (n - 2) = 1260 ( divide both sides by 180 )
n - 2 = 7 ( add 2 to both sides )
n = 9
The number of sides of the regular polygon is 9
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