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Geometry
Quadrilaterals And Parallelogram
Quadrilaterals are four-sided plane figures.(A polygon
with four sides).
with four sides).
Special Types of Quadrilaterals:
A parallelogram is a quadrilateral in which both pairs
of opposite sides are parallel.
of opposite sides are parallel.
A parallelogram is a quadrilateral in which both
pairs of opposite sides are parallel.
pairs of opposite sides are parallel.
A square: parallelogram with four
congruent sides and four right
angles.
congruent sides and four right
angles.
A rectangle is a parallelogram with
four right angles, so all rectangles
are also parallelograms and
quadrilaterals.
four right angles, so all rectangles
are also parallelograms and
quadrilaterals.
A trapezoid is a quadrilateral with exactly one pair of
parallel sides.
parallel sides.
A kite is a quadrilateral with exactly two pairs of
adjacent congruent sides.
adjacent congruent sides.
A rhombus is a four-sided shape where all
sides have equal length.
sides have equal length.
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> Quadrilaterals And Parallelograms < you are here
In this figure all sids are 60 degrees
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A Quadrilateral but not a parallelogram
A Quadrilateral but not a parallelogram
A Quadrilateral but not a parallelogram
Squares Quadrilaterals and parallelograms
Rectangles Quadrilaterals and parallelograms