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1995 AMC 12 Question 23

AMC12 · 1995 AMC 12

Question 23

The sides of a triangle have lengths $11,$ $15,$ and $k,$ where $k$ is an integer. For how many values of $k$ is the triangle obtuse?
  1. $5$
  2. $7$
  3. $12$
  4. $13$
  5. $14$