•3.1(A) - apply mathematics to problems arising in everyday life, society, and the workplace; •3.6(C) - determine the area of rectangles with whole number side lengths in problems using ...

You may choose any of the triangles as they are all the same area in a rectangle. The area of the shaded triangle can be worked out as either \( \frac{1}{4}\,\,\times16.3\,\times\,12.4 = 50.53\,m^{2} ...