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.
TRAPEZIOMS: Only one
pair of sides an parallels.
RIGHT TRAPEZIOM
One angle equal 90º.
Two sides parallels.
ISOCELES TRAPEZIOM
Two sides parallels
Two sides equal.
SCALENE TRAPEZIOM
Two sides parallels
Four sides not
equals.
TRAPEZOID
Four sides not equal
Not parallels lines.
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