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Penn used the formula for the sum of the angles inside a polygon: Sum of the interior angles = (n - 2) 180, where n is the number of angles of the polygon. Penn's answer is 1,980 degrees. How many angles does the polygon have?

Respuesta :

rtankus

Answer:

13

Step-by-step explanation:

Sum of interior angles = (n-2)180

1980=(n-2)180

1980÷180=n-2

11=n-2

13=n

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