The difference of the areas of square XSWZ and square QEZA is 273 square units. Find the area of quadrilateral XSEQ (shaded yellow).
Let the area of the square XSWZ be 529 u2. side = √529
Area of the square QEZA = 529 - 273 = 256 u2 side = √256
Yellow area A = [23(23-16)] /2 + [16(23-16)] /2