How can i solve this tough question of class 9th ncert of Areas of Parallelograms and Triangles of math of exercise 9.3 of question no.12 . Give me the best and simple way for solving this question. A villager Itwaari has a plot of land of the shape of a quadrilateral. The Gram Panchayat of the village decided to take over some portion of his plot from one of the corners to construct a Health Centre. Itwaari agrees to the above proposal with the condition that he should be given equal amount of land in lieu of his land adjoining his plot so as to form a triangular plot. Explain how this proposal will be implemented.