Number of triangles possible with sides $5, 6, 7$ is

Number of triangles possible with sides $5, 6, 7$ is
  1. $1$ (unique up to congruence)
  2. $0$
  3. infinitely many
  4. $3$

Solution

By SSS, three sides determine a unique triangle (up to congruence).

Asked in: MH-SSC-9

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