Question

This is my question
please help​

Answer 1

Answer:

∆ABC and ∆CBA are congruent by the SAS criteria.

S= COMMON SIDE AC

A= Angle DAC= Angle BCA = 90°

S= side AD and side BC are equal (GIVEN)

AND SINCE ABOVE CRITERIA IS SATISFIED TOTALLY THAT MEANS WE CAN SAY:- ANGLE D AND ANGLE B ARE EQUAL

this much is enough for you to if you write it properly

Answer 2

There is your solution...

Hope it's help you.