Divide the trapezium into two parts such that they can be reassembled to make a triangle.
In a square
Each of the small squares has an area of
Divide the parallelogram into two parts such that they can be reassembled to make a triangle.
Charlie drew a triangle. Show a method of cutting this triangle into three parts which can then be reassembled into a rectangle - which works no matter what triangle he drew.
On the diagram each number denotes the area of a rectangle it is written into. What are the areas of the other rectangles?
Show how to divide any quadrilateral into
Line