
problem
Triangle in a trapezium
Can you find and prove the relationship between the area of a trapezium and the area of a triangle constructed within it?
Can you find and prove the relationship between the area of a trapezium and the area of a triangle constructed within it?
The farmers want to redraw their field boundary but keep the area the same. Can you advise them?
What's special about the area of quadrilaterals drawn in a square?
Can you make sense of the three methods to work out what fraction of the total area is shaded?