MCQ
In right-angled $\triangle\text{DEF}$ if $\angle\text{E} = 90^\circ$ then:
  • A
    DE is the longest side.
  • B
    DF is the shortest side.
  • C
    EF is the longest side.
  • D
    DF is the longest side.

Answer

  1. DF is the longest side.
    Solution:
    In a triangle, only one right angle is possible, hence it is the greatest angle and the side opposite to it is the longest side. Here, the side opposite to $\angle\text{E}$ is DF, hence, it is the longest side.

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