Answer to Question #223031 in Geometry for Yolande

Question #223031

A polygon has (2n+5) sides. The sum of the interior angles of the polygon is ?

Expert's answer

Let number of sides be n

Let Sum ot the interior angles be S

Hence

S=180°[n-2]

In this problem,

S=180°[2n+5-2]

S=180°[2n+3]

S=(360n+540)°

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