Can you determine the sides?

Geometry Level 1

Find the number of sides of the polygon if the sum of it's interior angles is equal to 126 0 ∘ 1260^\circ .


The answer is 9.

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Sravanth C. by Sravanth C. , 21, India

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1 solution

Sum of interior angles of polygon= 180 ( n − 2 ) 180(n-2)

⇒ 180 ( n − 2 ) = 1260 ° \Rightarrow 180(n-2)=1260°
n = 9 n=\boxed{9}

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