Respuesta:
Cómo OC es bisectriz, entonces:
2x+2°=40°
2x=40°– 2°
2x=38°
x=38°/2
x=19°
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Respuesta:
Cómo OC es bisectriz, entonces:
2x+2°=40°
2x=40°– 2°
2x=38°
x=38°/2
x=19°