Question

in a quadrilateral abcd,ac=ad and ab bisect angle a show that triangle abc=abd.what can u say about bc and bd​

Answer 1

Answer:

In △ABC and △ABD,

AC=AD

∠CAB=∠DAB

AB=AB

So, by SAS congruence rule,

△ABC≅△ABD

BC=BD     [By CPCT]

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