Respuesta :

Answer:

1=b. 2=a

Step-by-step explanation:

Since there are corresponding angles, 1 and b will be congruent, and 2 and a will be congruent.

devishri1977

Answer:

Step-by-step explanation:

x , u are parallel lines and v is transversal.

∠1   = ∠b     {Corresponding angles}

∠2 = ∠a   {corresponding angles}

∠1 +∠a = 180   {linear pair}

∠2 +∠ b = 180  {linear pair}

∠a +∠b  = 180   {co interior angles}