SOLUTION: if a triangle ABC exists then what is the length of AB if AC=10 BC=6 and the angle ACB= 120 degrees? How do I solve this
Algebra ->
Triangles
-> SOLUTION: if a triangle ABC exists then what is the length of AB if AC=10 BC=6 and the angle ACB= 120 degrees? How do I solve this
Log On
Question 816563: if a triangle ABC exists then what is the length of AB if AC=10 BC=6 and the angle ACB= 120 degrees? How do I solve this Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! if a triangle ABC exists then what is the length of AB if AC=10 BC=6 and the angle ACB= 120 degrees? How do I solve this
----
The side opposite
---
Use the Law of Cosines to fing AB:
AB^2 = 10^2+6^2-2*10*6*cos(120)
----
AB^2 = 166
AB = 12.88
==================
Cheers,
Stan H.