SOLUTION: In Triangle GHI, h=8, i=12 and M∠G = 96 degrees. Find M∠I to the nearest tenth. Thanks!

Algebra ->  Trigonometry-basics -> SOLUTION: In Triangle GHI, h=8, i=12 and M∠G = 96 degrees. Find M∠I to the nearest tenth. Thanks!       Log On


   

Question 1015530: In Triangle GHI, h=8, i=12 and M∠G = 96 degrees. Find M∠I to the nearest tenth.
Thanks!
Answer by ikleyn(52894) About Me  (Show Source):
You can put this solution on YOUR website!
.
In Triangle GHI, h=8, i=12 and M∠G = 96 degrees. Find M∠I to the nearest tenth.
Thanks!
--------------------------------------------

Use twice the Cosine Law.

First calculate g using the Cosine Law.

Then calculate cos(I) and restore I.