cami30031cami3003
cami30031cami3003
14-09-2017
Mathematics
contestada
please help
Solve for x.
Respuesta :
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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