Question

if the sum of tjr interior angle is 1980 , what is name of poloygen​

Answer 1

Step-by-step explanation:

Step-by-step explanation: The formula for sum of interior angles is S = (n - 2) * 180. Therefore, 1980° = (n - 2) * 180. or, (n - 2) = 1980 / 180 = 11.

hope you understand mark me as brainliest

Answer 2

Answer:

polygon with 13 sides

Step-by-step explanation:

by the formula = (2n-4)*90=1980

solve this equation