Question

please answer this help me

Answer 1

Here these angles are co- exterior angles
so
x+70°=180°
x=180°-70°
x=110°

Answer 2

In the fig.,
l is ll to m and t is transversal
let angle ABC= 70°
therefore , x=110°
because, the sum of supplementary angles is 180°
therefore, x= 180-70
= 110°