2019 AMC 12A Problems/Problem 19
Problem
In 
with integer side lengths,
![\[\cos A=\frac{11}{16}, \qquad \cos B= \frac{7}{8}, \qquad \text{and} \qquad\cos C=-\frac{1}{4}.\]](http://latex.artofproblemsolving.com/3/3/c/33c5cf6fca4eabad219869260b59af5b93d6e5a2.png)
What is the least possible perimeter for ?
Solution
See Also
| 2019 AMC 12A (Problems • Answer Key • Resources) | |
| Preceded by Problem 18 |
Followed by Problem 20 |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
| All AMC 12 Problems and Solutions | |
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