Question

please guys help me I request you ​

Answer 1

Let ∠1=3x and ∠2=2x.

Since ∠1+∠2=180°

or, 5x=180°

or, x=36°

∴∠1=108°

and ∠2=72°

Since m∥n and l is the intersector, then

∠3=∠1=108°

and ∠4=∠2=72°

[Opposite angles]

and ∠7=∠5=∠2=72°

If ∠5=72°

then ∠6=108°

=∠8