Question

a pair of parallel lines are cut by transversal. find the size of each lettered angle. ​

Answer 1

Answer:

a=70 (alternate interior angles)

b=110(linear pair angles)

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Answer 2

Step-by-step explanation:

Since these are parallel lines and cut by a transversal,

Therefore Angle A = 70° (Alternate Interior angles)

Angle a + Angle b = 180° (Linear Pair)

=> 70° + b = 180°

=> b = 180° - 70°

=> b = 110°

Therefore a = 70° and b = 110°