Geometry

## > Quadrilaterals  And Parallelograms <

### Quadrilaterals And Parallelogram

Quadrilaterals are four-sided plane figures.(A polygon
with four sides).

A parallelogram is a quadrilateral in which both
pairs of opposite sides are parallel.

Special Types of Quadrilaterals:

A square: parallelogram with four
congruent sides and four right angles.

Squares Quadrilaterals and parallelograms

A rectangle is a parallelogram with four right
angles, so all rectangles are also

Rectangles Quadrilaterals and parallelograms

A parallelogram is a quadrilateral in which both pairs of opposite
sides are parallel.

A rhombus is a four-sided shape where all sides have
equal length.

In this figure all sids are 60 degrees

A Quadrilateral but not a parallelogram

A trapezoid is a quadrilateral with exactly one pair of parallel
sides.

A Quadrilateral but not a parallelogram

A kite is a quadrilateral with exactly two pairs of adjacent
congruent sides.

A Quadrilateral but not a parallelogram