experts can i get the formula for area of a quadrilateral whose vertices are A (0,0) B(6,0) C(4,3) D(0,3)
Refer the following link for the answer similar to your query:
https://www.meritnation.com/ask-answer/question/quadrilateral-abcd-whose-vertices-are-a-3-1-b/coordinate-geometry/4103457
https://www.meritnation.com/ask-answer/question/quadrilateral-abcd-whose-vertices-are-a-3-1-b/coordinate-geometry/4103457