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Triangles — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsTriangles1 Mark
MCQ
in $\triangle\text{ABC}$ and $\triangle\text{DEF}$ it is given that AB = DE and BC = EF in order that $\triangle\text{ABC}≅\triangle\text{DEF},$ we must have
  • A
    $\text{None of these}$
  • B
    $\angle\text{B} = \angle\text{E}$
  • C
    $\angle\text{A} = \angle\text{D}$
  • D
    $\angle\text{C} = \angle\text{F}$
✓

Answer

  1. $\angle\text{B} = \angle\text{E}$
    Solution:

    Given, AB = DE and BC = EF
    for, $\angle\text{B} = \angle\text{E}$
    $\triangle\text{ABC}≅\triangle\text{DEF},$ [SSA]

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