VOCABULARY

Cuadrilaterals: They are polygons with four sides and four vertices.

Parallelograms: They are equilaterals with two pairs of parallels opposite equal sides and two pairs of opposite equal angles, their diagonals bisect each other.

Square:

Four sides equal.

Four angles equal 90 º.

Two diagonals.

Rectangule

Four sides equal two by two.

Four angles equal 90 º.

Rombus

Four sides equal.

Four angles two by two.

Rhomboid

Four sides equal two by two

Four angles equal two by two.