Question 1:   Find an angle corresponding to $\frac{15}{11}$ revolution

Question 2:   Find the angle $\alpha$:

Question 3:   One of the angles in a triangle equals to an arithmetic mean of all the angles of that triangle. What is the measure of that angle?

Question 4:   Find the angle $\alpha$ , when $p\parallel q$:

Question 5:   Find the angle $\alpha$ :

Question 6:   Find the angle $\alpha$:

Question 7:   Find the angle $\alpha$:

Question 8:   Find the angle $\alpha$ , when $p\parallel q$ and $a=b$:

Question 9:   Find the angle $\alpha$:

Question 10:   Find the angle $\gamma$