(Solved): need help eith highlighted problems (41,42,43) Using Heron's Area Formula In Exercises 39-46, use He ...

Using Heron's Area Formula In Exercises 39-46, use Heron's Area Formula to find the area of the triangle. 39. \( a=12, \quad b=24, c=18 \) 40. \( a=25, \quad b=35, \quad c=32 \) 41. \( a=5, \quad b=8, \quad c=10 \) 42. \( a=12, \quad b=17, \quad c=8 \) 43. \( a=1.24, \quad b=2.45, \quad c=1.25 \) 44. \( a=2.4, \quad b=2.75, \quad c=2.25 \) 45. \( a=1, \quad b=\frac{1}{2}, \quad c=\frac{3}{4} \) 46. \( a=\frac{3}{5}, \quad b=\frac{5}{8}, \quad c=\frac{3}{8} \)