cami30031cami3003
cami30031cami3003 cami30031cami3003
  • 14-09-2017
  • Mathematics
contestada

please help
Solve for x.





please help Solve for x class=
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choixongdong
choixongdong choixongdong
  • 14-09-2017
sum of interior angles = (n-2) × 180 = (5-2) x 180 = 3 x 180 = 540

so
x + 90 + 107 + 144 + 138 = 540
x + 479 = 540
x = 540 - 479
x = 61
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