Sean los angulos consecutivos AOB , BOC y COD?
Sean los angulos consecutivos AOB , BOC y COD. SI mAOC + mBOD = 140.
Sean los angulos consecutivos AOB , BOC y COD. SI mAOC + mBOD = 140.
En resumen
∡AOB = a ∡BOC = b ∡COD = a a + b + b + a = 140 2a + 2b = 140 a + b = 70.
∡AOB = a ∡BOC = b ∡COD = a
a + b + b + a = 140
2a + 2b = 140
a + b = 70.