Question

Sum of all interior angles of a 9-sided polygon is
a)900^0
b)1440^0
c)1260^0
d)1620^0

Answer 1

Answer:

1260 .

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Answer 2

Here is your answer friend :-

• Sum of interior angles = (n - 2) x 180,

where n is the number of sides,

Given that the polygon has 9 sides:

Sum of interior angles = (9 - 2) x 180 = 1260°