Question

in a quadrilateral, AC=AD and AD bisect <CAD​

Answer 1

Step-by-step explanation:

In △ABC and △ABD

∠CAB=∠BAD (given)

AC=AD (given)

AB=AB (common)

Hence by SAS

△ABC≅△ABD

As corresponding sides in congruent triangles are equal so BC=BD

Hope it helps you❤️