Matemáticas Primaria.Área, potencia, ángulo. Maths

Mathematics of Primary. Area, power, angle. Basic notions for students, mothers and fathers in school stage. Calculate the area of ​​flat figures. Calculate the perimeter, its interior angle, its sum and the number of diagonals to draw. Notions of lines, circumference, angles and polygons. Mediatrix Bisector. Maths Bisecting