Question

In exercise 4 and 5 find the unkown or marked angles​

Answer 1

Ф = 110°, β = 110°

Explanation:

∠Ф and the 110° angle are corresponding angles since the vertical lines are parallel and a horizontal line cut across both lines. Thus Ф = 110°.

∠β and ∠Ф are alternate angles since the horizontal lines are parallel and a vertical line cut across both lines. Thus Ф = 110° and ∠β = 110°.