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  • 12-10-2021
  • Mathematics
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Answer for 17 please???????????

Answer for 17 please class=

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72781
72781 72781
  • 12-10-2021

The amount of degrees in a polygon: 360

In a pentagon: 360 / 5 = 72

9x - 18 = 72     Add 18 to both sides

9x = 90               Divide by 9

x = 10

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