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Triangles — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsTriangles1 Mark
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Answer

  1. $\angle\text{BDA}$
    Solution:
    In Triangle CAB and traingle DBA,
    AC = BD and $\angle\text{CAB} = \angle\text{DBA}$ (Given)
    AB (Common)
    Therefore, Triangle CAB and traingle DBA are congruent by SAS criteria
    Therefore, $\angle\text{ACB} = \angle\text{BDA}$ (by CPCT)

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