willcurry2030 willcurry2030
  • 01-04-2021
  • Mathematics
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I need help please help me!!!!

I need help please help me class=

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lalala789 lalala789
  • 01-04-2021
everything = 360 degrees
40+40+60+75+11x+13 = 360
11x+228 = 360
11x = 132
x = 132:11
x = 12
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