Demostracion cuadrilateros

Primara

https://sites.google.com/site/1446cuadrilateros/

http://image.slidesharecdn.com/tringulosycuadrilterosdesptimo-150505220251-conversion-gate02/95/tringulos-y-cuadrilteros-de-sptimo-7-638.jpg?cb=1430863500

http://www.curriculumenlineamineduc.cl/605/w3-article-17702.html

TRIANGULACION POLIGONAL DIVIDR EN TRIANGULOS