3. ∠`BAC` is an inscribed angle.

5. How big is arc `LM`?

8. Subtract the measure of the other two arcs from 360°.

16. 3`x` is equal to half of the measure of semicircle `XZ`.

22. These three angles all intercept arc `PQ`.

44. It’s easiest to start by multiplying each side by 2 to eliminate the fraction.