Q1 of 51 Page 10

Draw a quadrilateral in the cartesian plane, whose vertices are(-4,5)(0,7)(5,-5) and (-4,-2). Also find its area.


Join AC. Now we have two triangles, Δ ABC and Δ ACD.

Area(Δ ABC) = 

                 = = = 29

                 = Area(Δ ACD)
                
                 =

                 = = = 31.5

Now are of quad, ABDC = 29 + 31.5 = 60.5 sq

More from this chapter

All 51 →