Respuesta :
base angle + base angle + 70degrees = x degrees
x + x + 70 degrees = x degrees
2x + 70 = x
2x = 70 - x
2x = 60
x = 70.2
x = 35
x + x + 70 degrees = x degrees
2x + 70 = x
2x = 70 - x
2x = 60
x = 70.2
x = 35