Answer 7th and 8th questions
7. If the diagonals of a quadrilateral divide each other proportionally, prove that it is trapezium.
Kindly refer the link for answer to your query:
https://www.meritnation.com/ask-answer/question/if-the-diagonals-of-a-quadrilateral-divide-each-other-propor/triangles/1776509
https://www.meritnation.com/ask-answer/question/in-triangle-abc-ab-ac-be-is-perpendicular-to-ac-cf-is-perp/congruency-of-triangles/8117189
https://www.meritnation.com/ask-answer/question/if-the-diagonals-of-a-quadrilateral-divide-each-other-propor/triangles/1776509
https://www.meritnation.com/ask-answer/question/in-triangle-abc-ab-ac-be-is-perpendicular-to-ac-cf-is-perp/congruency-of-triangles/8117189