# Math Help - Solve this triangle?

1. ## Solve this triangle?

Triangle ABC has an area of 30cm^2, AC = 9 cm, and BC = 7 cm. Calculate the measure of angle C and the largest possible length of AB.

2. Originally Posted by seggo
Triangle ABC has an area of 30cm^2, AC = 9 cm, and BC = 7 cm. Calculate the measure of angle C and the largest possible length of AB.
use the equation $Area = \frac{1}{2}ab \sin{C}$ , solve for $sin{C}$

AB (side c) will have the greatest value when angle C is obtuse.