Question

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Answer 1

Answer:

by  SAS the triangle are congruent

Step-by-step explanation:

as AD = BC (given)

    ∠ADB = ∠BCA (90)

    AB = AB (common)

   

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Answer 2

Answer:

RHS congruency rule

Step-by-step explanation:

In ΔABD and ΔBAC , we have

angle ADB = angle BCA (90°)

AD = BC (given)

AB = BA (common side)

so, ΔABD and ΔBAC are right - angled triangle with equal hypotenuse(AB = BA) and an equal side(AD = BC)

so, both triangles are congruent with RHS (Right angle - Hypotenuse-side) congruency rule.