itzhaleyy
itzhaleyy itzhaleyy
  • 10-06-2018
  • Mathematics
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i cant figure out question 18 please help !!! i keep getting 88.33.... but idk if thats right

i cant figure out question 18 please help i keep getting 8833 but idk if thats right class=

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Luv2Teach
Luv2Teach Luv2Teach
  • 10-06-2018
In this heptagon, that is nonregular, the sum of all the angles added together is 900.  900=143+2x+152+116+125+140+139+x.  Combining like terms we get 3x+815=900.  3x=85 gives us that x = 85/3 or 28 1/3
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