Question

Please guys solve Ex:4 ,i don't know it​

Answer 1

Answer:

Because the angle opposite the angle's head equals 70 when combined with the angle of 110, the two angles become complementary and form something like the letter U, so the two lines are parallel.

Answer 2

Step-by-step explanation:

all you have to doe is type Ex:4 into the calculator and you should get your answer.