Question

hello friends...

Answer this question....

Answer 1

here is ur answer.
have a look.

Answer 2

In ∆ABD and ∆ACD,

AB =AC (given),

AD=AD (common),

angle ADB = angle ADC (each 90°),

therefore by RHS congruence criterion ∆ABD congruence to ∆ACD,

then
angle BAD = angle DAC (BY C.P.C.T)