Question

Check whether lines 1 || m in the following figures
that one is 50° in part a
​

Answer 1

Answer:

Remember, if you want to check if the lines are parallel to each other, the sum of the angles MUST be 180".

i) 50" + 50"= 100"

Therefore, l ∦ m.

ii) 130" + 80"= 210"

Therefore, l ∦ m.