Question

Find the area of a quadrilateral PQRS whose one diagonal is 7.5 cm and the length of perpendiculars on the diagonals from the opposite vertices are 3.9cm and 3.2cm​

Answer 1

☆Agriculture is the science and art of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in cities. The history of agriculture began thousands of years ago.