Answer:
so
x = 6 over 5
Step-by-step explanation:
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Answer:
529
Step-by-step explanation:
Answer:
n = 13
Step-by-step explanation:
The sum of the measures of the interior angles of an n-sided polygon is
(n - 2)180
Set (n - 2)180 equal to 1980 and solve for n.
(n - 2)180 = 1980
Divide both sides by 180.
n - 2 = 11
Add 2 to both sides.
n = 13
Answer: 110
Reasoning: all of the numbers should add up to 360.
140+110=250
360-250=110
The angles of 110 look the same, go for it.