Explore the area of families of parallelograms and triangles. Can you find rules to work out the areas?
The farmers want to redraw their field boundary but keep the area the same. Can you advise them?
Can you find and prove the relationship between the area of a trapezium and the area of a triangle constructed within it?
Can you work out the side length of a square that just touches the hypotenuse of a right angled triangle?
These secondary problems have not yet been solved. Can you be the first?