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23 December, 05:09

Four interior angles of a 7 sided polygon are equal, and the others add up to 120 find the size of the equal angle?

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  1. 23 December, 05:11
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    Answer: 195°

    Step-by-step explanation:

    The sum of interior angles can be found by using this formula

    (n - 2) 180

    (7 - 5) 180

    5 * 180

    900 = sum of interior angles

    900 - 120 = 780

    Now we divide it by 4

    780 : 4 = 195°

    The equal angles is 195°
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