Answer:
13 sides.
Step-by-step explanation:
(n - 2) = 1980 / 180 = 11.
n = 13
When the sum of the interior angles is 1980 degrees, the convex polygon will have 13 sides.
i hope this helps and is right! p.s. i really need brainliest :)
HERE IS THE ORDER
Parentheses
Exponents
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Divide
Add
Subtract
X=4 ........................................
where is the question,it is incomplete. complete the question for your answer.
