Question

Plz answer this with full explanation
The question is in the blue area and the respective figure is the notebook. Plz solve only the third bit....For this I would be grateful...​

Answer 1

Answer:

since BDI and andBEL are congruent

you can see

DI =IF (CPCT)

now in triangle AIF and AID

DI = IF

AI =AI (common )

and angle IDA =IFA =90°

so triangle IDA and triangle IFA ae congruent

hence , angle DAI =FAI (cpct)

therefore AI bisect angle A