GeomEtric sHAPES ON THE PlanE_4
Section: Geometry
 

1. THE AREA OF A TRAPEZIUM

The formula to find the area of a trapezium is

 

 

1.- Click on the next_step control button and try to understand all the steps.

2.- Note that trapezium ABCD can be divided into two triangles and so we can work out the formula we want by using the formula to find the area of a triangle.

3.- Carry out the same steps in your exercise book with a pencil and piece of paper.

Move the vertices of the trapezium to see more examples

 


         
           
  Agustn Muoz Nez
 
Spanish Ministry of Education. Year 2001
 
 

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