Math

Find the sum of the interior angles of a nonagon. (1 point)
140°
1,620°
1,260°------
1,450° My teacher showed this question and she explained the answer was the 3rd one but i just don't get it

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  1. This site should help you understand.

    http://www.mathsisfun.com/geometry/interior-angles-polygons.html

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    👤
    Ms. Sue
  2. 1260

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  3. Is Dabere correct?

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  4. Yes

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  5. im taking this test now once im done ill come back with all the answers

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  6. I really need help im stuck on this as well XD

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  7. the struggle is real V_V

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  8. The answer is 1260°

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  9. The answer is 1260. The formula of finding the sum of interior angles is
    s - 2 x 180.
    S is the number of sides. Since a Nonagon has 9 sides, replace s with 9.
    9-2=7
    7x180=1260

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