Transcript PP Presentation

Special Notes!
The length of the mid-segment is
the average of the lengths of the
parallel sides.
Trapezoid
Definition: A
quadrilateral
with a pair of
parallel sides.
Definition: A quadrilateral opposites sides
parallel.
Special Notes!
Adjacent angles are supplementary.
Opposite sides are congruent.
Opposite angles are congruent.
Diagonals bisect each other.
Parallelogram
Isosceles Trapezoid
Definition: A quadrilateral with two
parallel sides (called bases) whose
non parallel sides are congruent.
Special Notes!
Angles adjacent about the nonbase sides are supplementary!
Length of mid-segment is the
average of the bases.
Rhombus
Special Notes!
Opposite sides are parallel.
All of the properties of a
parallelogram hold! 
Diagonals are perpendicular.
Definition: A quadrilateral with four
congruent sides.
Special Notes!
All the angles are
right-angles.
All the properties
of a parallelogram
hold.
Rectangle
Definition: A parallelogram with one
right angle.
Kite
Special Notes!
Angles between congruent sides
are called vertex angles.
Angle between non-congruent
sides are called non-vertex angles.
Diagonals are perpendicular.
The diagonal between non-vertex
angles is bisected by the diagonal
between vertex angles.
Definition: A quadrilateral with two
pairs of congruent adjacent sides.
Definition: A rhombus that is a
rectangle.
Special Notes!
A square is also a trapezoid.
Life's most perfect shape.
A square is also a parallelogram.
It a regular quadrilateral
A square is also a rhombus.
All the properties of a
parallelogram hold.
A square is also a rectangle.
Diagonals are perpendicular.
A square is also a kite.
Square