Recordar que la bisectriz divide en dos ángulos de igual medida.
1)
x + 20 = 30
x = 30 - 20
x = 10
2)
3x - 10 = 2x
3x - 2x - 10 = 0
x = 0 + 10
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Recordar que la bisectriz divide en dos ángulos de igual medida.
1)
x + 20 = 30
x = 30 - 20
x = 10
Clave A) 10
2)
3x - 10 = 2x
3x - 2x - 10 = 0
x = 0 + 10
x = 10
Clave A) 10