Respuesta:
1) 65
2) 60
3) 60
4) 127
Explicación paso a paso:
1) a + 75 + 40 = 180
a + 115 = 180
a = 180 - 115
a = 65
2) b + 30 + 90 = 180
b + 120 = 180
b = 180 - 120
b = 60
3) O + 60 + 60 = 180
O + 120 = 180
O = 180 - 120
O = 60
4) O + 28 + 25 = 180
O + 53 = 180
O = 180 - 53
O = 127
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Verified answer
Respuesta:
1) 65
2) 60
3) 60
4) 127
Explicación paso a paso:
1) a + 75 + 40 = 180
a + 115 = 180
a = 180 - 115
a = 65
2) b + 30 + 90 = 180
b + 120 = 180
b = 180 - 120
b = 60
3) O + 60 + 60 = 180
O + 120 = 180
O = 180 - 120
O = 60
4) O + 28 + 25 = 180
O + 53 = 180
O = 180 - 53
O = 127
Respuesta:
1) 65
2) 60
3) 60
4) 127
Explicación paso a paso: