Respuesta:
a) X = 90
Explicación paso a paso:
.2a + 2b + 180 = 360
2a + 2b = 180
a + b = 90
para hallar x debemos sumar a + b + x e igualarlo a 180
a + b + x = 180
90 + x = 180
x = 90
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Respuesta:
a) X = 90
Explicación paso a paso:
.2a + 2b + 180 = 360
2a + 2b = 180
a + b = 90
para hallar x debemos sumar a + b + x e igualarlo a 180
a + b + x = 180
90 + x = 180
x = 90