SOLUTION: How do you find the radian measure of the largest angle in the triangle with sides of 4,5, and 6?

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Question 1138167: How do you find the radian measure of the largest angle in the triangle with sides of 4,5, and 6?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
If z is angle measure of angle opposite the 6 unit length, then if using Law Of Cosines, cos%28z%29=1%2F8 when the simplifications finished.

1.44547 radians