A quadrilateral has four points A(0,1), B(1,-3), C(5,-2) and D(4,0) as coordinates What is the area of quadrilateral ABCD?

Guest Jul 30, 2021

#1**+1 **

Here is one way (see image below)

calculate the entire area of the large red rectangle

then subtract the areas of the right triangles 1 2 3 4 and the square 5 for your answer

ElectricPavlov Jul 30, 2021