SOLUTION: If the sides of a triangle are AB=16, BC=16, and AC=23 what is each degree of all three angles

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Question 278179: If the sides of a triangle are AB=16, BC=16, and AC=23 what is each degree of all three angles
Answer by Edwin McCravy(20081)   (Show Source): You can put this solution on YOUR website!
If the sides of a triangle are AB=16, BC=16, and AC=23
what is each degree of all three angles.

Let , , 



We use the law of cosines:









 or 

--------------------------









 or 
 
--------------------------

Since ABC is isosceles, we know that angle C=angle A,
or we can calculate it as a check with the law of cosines:









 or 

Edwin
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