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03453660

  • 3 years ago

if the interior angle of every two sides of a polygon is 120 deg. find the number of sides of polygon.

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  1. saifoo.khan
    • 3 years ago
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    use the formula.

  2. saifoo.khan
    • 3 years ago
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    the formula for interior angles.

  3. 03453660
    • 3 years ago
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    which formula

  4. saifoo.khan
    • 3 years ago
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    \[interior \angle =\frac{(n-2)*180}{n}\]

  5. saifoo.khan
    • 3 years ago
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    \[120 = \frac{(n-2)*180}{n}\]Cross multiply to solve.

  6. saifoo.khan
    • 3 years ago
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    can you solve now?

  7. 03453660
    • 3 years ago
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    i got 6 answer

  8. Ishaan94
    • 3 years ago
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    yup that is right Good Job : )

  9. 03453660
    • 3 years ago
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    thanks

  10. saifoo.khan
    • 3 years ago
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    well this means that the polygon is 6-sided. you can also use this formula for finding total interior angles.

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