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42 votes
Answer for 17 please???????????

Answer for 17 please???????????-example-1
User Mhlavacka
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1 Answer

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16 votes

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

User SeriousTyro
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