SOLUTION: Three of the interior angles of a 9-sided polygon are each x• an remaining 6 interior angles are each 145•. Calculate the value of x。
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Question 238069: Three of the interior angles of a 9-sided polygon are each x• an remaining 6 interior angles are each 145•. Calculate the value of x。 Answer by nyc_function(2741) (Show Source):
You can put this solution on YOUR website! A 9-sided polygon is called a nonagon.
3x + 6(145)
The total value of the angles of a nonagon is 1260 degrees.
Here is your equation and you can solve for x:
3x + 6(145) = 1260
Can you do it now?