Two sides of a triangle are $7$ and $9$. Third side $x$ satisfies

Two sides of a triangle are $7$ and $9$. Third side $x$ satisfies
  1. $2 < x < 16$
  2. $x > 16$
  3. $x = 7$
  4. $x = 9$

Solution

$|7-9| < x < 7+9 \Rightarrow 2 < x < 16$.

Asked in: MH-SSC-9

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