## Algebra and Trigonometry 10th Edition

Using the area formula: $\frac{1}{2}$b*c*sinA = $\frac{1}{2}$a*b*sinC = $\frac{1}{2}$a*c*sinB A = $72^{o}$ b = 31 c = 44 Area = $\frac{1}{2}$31*44*sin(72) = 648.6