Question

line l || line m and line n is the transversal.
find the a=? and b=?​

Answer 1

Answer:

a=110° , b=110°

Step-by-step explanation:

b=180-70=110°

angle b=angle a

because these two angles are alternate angles

a=110°

Answer 2

Step-by-step explanation:

Given:l∥m

sum of the interior angles on the same side of transversal is 180

∘

b+52

∘

=180

∘

⇒b=180

∘

−52

∘

=128

∘

And a=52

∘

∴a=52

∘

,b=128

∘