Measurement and Geometry 11. What would the total interior angles be for a 21 sided shape?

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Measurement and Geometry
11. What would the total interior angles be for a 21 sided shape?

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Vodka 4 years 2021-08-22T17:57:58+00:00 2 Answers 10 views 0

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  1. Doris
    0
    2021-08-22T17:59:10+00:00
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    Answer: 3420 degrees

    Explanation: You use the formula 180(n-2) with n = 21 to find the answer above.

  2. thachthao
    0
    2021-08-22T17:59:53+00:00
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    Answer:

    sum_of_interior_angles = (number_of_sides – 2) x 180° → if number_of_sides is 21: sum = (21 – 2) x 180° = 19 x 180° = 3420°

    Step-by-step explanation:

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