AthenaSinclair
AthenaSinclair
23-03-2018
Mathematics
contestada
x=
a) 115.5
b) 137
c) 180
Respuesta :
Аноним
Аноним
23-03-2018
137 = 1/2 (94 + x)
137 = 47 + 1/2x
1/2x = 137 - 47
1/2x = 90
x = 90 x 2
x = 180°
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Answer: x = 180° (Answer C)
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