Parallelogram
Areas of plane figures
 
Deduce the formula for the area of a parallelogram.
 

The perpendicular height of this parallelogram is drawn, you can drag the resulting triangle and take it to the opposite side in order to form a rectangle. 

- Are the base and the perpendicular height of the rectangle the same as in the parallelogram?

- What formula would you use to find the area of a parallelogram?

- Write down the formula for the area of the parallelogram.

 
       
           
  Eduardo Barbero Corral
 
Spanish Ministry of Education , Social Afairs and Sport. Year 2007
 
 

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