Briefly solve and explain Q19

Dear Student,
Please refer the first part of the following link for answer to your query
https://www.meritnation.com/ask-answer/question/inthe-given-figure-if-ab-ac-d-is-a-point-on-ac-and-e-on/lines-and-angles/9484673
Regards,
Please refer the first part of the following link for answer to your query
https://www.meritnation.com/ask-answer/question/inthe-given-figure-if-ab-ac-d-is-a-point-on-ac-and-e-on/lines-and-angles/9484673
Regards,