1. (8 points) α = 42º. β = 35º, a = 7.8. Find the length of sides b and c.
2. (8 points) a = 12.5, β = 72.8°, b = 7.40. Find the length of side c. For questions 3 and 4, find the area of the triangle
3. (6 points) a = 6.5, b = 7.4, y = 38º
4. (6 points) a = 11.1, b = 12.2, c = 13.3