Question

DATE
2. In the given figure AD = BC
and BD = Ac
prove that angle adb=angle bca and angle dab=angle cba
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Answer 1

Step-by-step explanation:

In triangles ABD and BAC, we have

AD=BC   (given);

AB=AB   (common);

AC=BD   (given).

We can use SSS condition to conclude that △ABD≅△BAC. From this we conclude that

∠ADB=∠BCA and ∠DAB=∠CBA.