Respuesta :

choccocakee
The measurement of angle a plus 120 must equal to 180 ( as angles on a straight line must equal to 180)
So measurement of angle a is 60 degrees
Measurement of angle b plus 60 plus 60 must equal to 180
So measurement of angle b is 60
giannapaul08

Answer:

m∠a + 120° = 180°

m∠a = 60°

m∠b + 60° + 60° = 180

m∠b = 60°

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