SOLUTION: The area of triangle ABC is 20 square units. If angle A = 130o and b = 6, find the value of c.

Algebra ->  Surface-area -> SOLUTION: The area of triangle ABC is 20 square units. If angle A = 130o and b = 6, find the value of c.      Log On


   

Question 43272: The area of triangle ABC is 20 square units. If angle A = 130o and b = 6, find the value of c.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We use the formula
Area = (1/2)bc sin A and plug in to get
20 = (1/2)(6)c sin 130
c = 20 / 3 sin 130
c = 8.7