Working Model Of Pythagoras Theorem This working model of Pythagoras Theorem is the great way to display proof of Pythagoras theorem by volume its easy to demonstrate to hole class that sum of volume of side A and B is equal to the volume of side C. SKU: MES069 Related Items: Black Board Parallelogram Kit Frame Abacus (Wooden) Counting Abacus (Wooden) << return to products