Kindly refer the link for similar query.
https://www.meritnation.com/ask-answer/question/the-diagonals-of-a-parallelogram-are-represented-by-vectors/motion-in-a-plane/8032421
https://www.meritnation.com/ask-answer/question/the-diagonals-of-a-parallelogram-are-represented-by-vectors/motion-in-a-plane/8032421