Question

How do you solve the triangle when given a=11, b=7, c=9?

Answer 1

Laws of Sines and Cosines

Explanation:

Use The Law of Cosines.

`(11)^2=(7)^2+(9)^2-2(7)(9)cos(A)`

Then, with the knowledge of angle `A`, use The Law of Sines to determine the other two angles.