Question

In the given figure, l parallel m, angle 1 equal to 78 degree then find the value of angle 2.

Answer 1

where is the picture please upload question with picture

Answer 2

Thank you for asking this question. Here is your answer:

∠1 = ∠3 = 78 (this means that the corresponding angles are equal)

∠3 + ∠2 = 180° (linear pair line)

78° + ∠2 = 180

∠2 = 180-78

= 102°

So ∠2 is equal to 102°

If there is any confusion please leave a comment below.