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AngelDreamGurl

  • 4 years ago

name one angle in a regular 9-gon.

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  1. Mertsj
    • 4 years ago
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    Do you mean tell how many degrees in each interior angle of a regular 9-g0n?

  2. zepp
    • 4 years ago
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    |dw:1335838563412:dw|

  3. AngelDreamGurl
    • 4 years ago
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    yes

  4. zepp
    • 4 years ago
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    There's 7 triangles in 9-gon, each triangle's interior angles sum is 180 Thus, a 9-gon's interior angle sum is 7* 180 = 1260 degrees We want to know how many degrees there are in each interior angle, since a 9-gon has 9 interior angles, 1260/9 = 140 degrees.

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