chicovillocinoblas
chicovillocinoblas
13-12-2020
Mathematics
contestada
need help with this please
Respuesta :
capsasha2
capsasha2
13-12-2020
Answer:
b. 40°
Step-by-step explanation:
Let x be angle ABD
Angle ABD + Angle DBC = 180°
x° + 140° = 180°
Subtract 140° from each side, so it now looks like this: x = 40°
I hope this helps!
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