1. An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Each of these equal angles is

2. In Figure measure of ∠ABC is

3. In Figure AB || CD, the value of x is

4. In the figure, PS ⊥ l, RQ ⊥ l, the degree measure of y is

5. Each angle of an equilateral triangle is

6. Given lines l₁ || l₂ and l₂ || l₃ in figure. The value of x is

7. In figure, find the value of y.

8. In the given figure, if AOB is a straight line, then ∠BOC is