Question

22. If L3= 700 find other angles. Given: el
la
2
2
>
3
5
6
me
8 7​

Answer 1

Given: l∥mt is a transversal.∠5 = 70° ∠5 = ∠3  =70°    (alternate interior angles)∠5 +∠8 = 180°   (linear pair)or 70° + ∠8 = 180°∠8 = 110°∠1 = ∠3 = 70°   (vertically opposite angles)∠3 +∠4 = 180°   (linear pair)or ∠4 = 180−∠3 = 180 − 70 = 110°