O USO DO GEOPLANO NO ENSINO DE POLGONOS REGULARES E IRREGULARES NO 6 ANO DO ENSINO FUNDAMENTAL / THE USE OF THE GEOPLANE TO TEACH REGULAR AND IRREGULAR POLYGONS IN THE 6TH GRADE OF ELEMENTARY SCHOOLdoi:10.34117/bjdv7n2-617Elias de Jesus Santos Andrade...