10-3 Quadrilaterals and
    Other Polygons
        Math Notes
Vocabulary


A POLYGON is a closed figure made up of three or
more line segments.

A REGULAR POLYGON is one in which all the sides
have the SAME LENGTH and all angles have the SAME
MEASURE.
Triangle
Triangle
Triangle



       3 sides
Triangle



       3 sides
       3 angles
Quadrilateral
Quadrilateral
Quadrilateral



           4 sides
Quadrilateral



           4 sides
           4 angles
Pentagon
Pentagon
Pentagon



           5 sides
           5 angles
Hexagon
Hexagon
Hexagon



          6 sides
          6 angles
Octagon
Octagon
Octagon



          8 sides
Octagon



          8 sides
          8 angles
Special QUADrilaterals
Special QUADrilaterals
Special QUADrilaterals




Parallelogram - A quadrilateral with
both pairs of opposite sides equal
in length and parallel.
Special QUADrilaterals




Parallelogram - A quadrilateral with
both pairs of opposite sides equal
in length and parallel.
Special QUADrilaterals




Parallelogram - A quadrilateral with
both pairs of opposite sides equal
in length and parallel.
Special QUADrilaterals


   3                            3
inches                       inches




Parallelogram - A quadrilateral with
both pairs of opposite sides equal
in length and parallel.
Special QUADrilaterals
                      5
                   inches

   3                            3
inches                       inches


            5
         inches

Parallelogram - A quadrilateral with
both pairs of opposite sides equal
in length and parallel.
Special QUADrilaterals
Special QUADrilaterals
Special QUADrilaterals




Rectangle - A parallelogram with
four right angles
Special QUADrilaterals

   90˚                  90˚

   90˚                  90˚




Rectangle - A parallelogram with
four right angles
Special QUADrilaterals

   90˚                  90˚

   90˚                  90˚




Rectangle - A parallelogram with
four right angles
Special QUADrilaterals

   90˚                  90˚

   90˚                  90˚




Rectangle - A parallelogram with
four right angles
Special QUADrilaterals
Special QUADrilaterals
Special QUADrilaterals




Square - A rectangle with all the
sides the SAME LENGTH
Special QUADrilaterals

          90˚      90˚




          90˚      90˚



Square - A rectangle with all the
sides the SAME LENGTH
Special QUADrilaterals
Special QUADrilaterals
Special QUADrilaterals


               Rhombus - A
               parallelogram
               with all the
               same the
               SAME LENGTH.
Special QUADrilaterals

   5          5
inches     inches
                    Rhombus - A
                    parallelogram
                    with all the
                    same the
   5          5     SAME LENGTH.
inches     inches
Special QUADrilaterals
Special QUADrilaterals


               Trapezoid - A
               quadrilateral
               with only
               ONE PAIR of
               parallel sides.
Special QUADrilaterals


               Trapezoid - A
               quadrilateral
               with only
               ONE PAIR of
               parallel sides.
Special Relationships
Special Relationships
Special Relationships
Special Relationships
Special Relationships
Special Relationships
Special Relationships
Special Relationships
                  A rectangle,
             rhombus, & square are
             ALL PARALLELOGRAMS
Special Relationships
                          A rectangle,
                     rhombus, & square are
                     ALL PARALLELOGRAMS




A square is
a rectangle
Special Relationships
                          A rectangle,
                     rhombus, & square are
                     ALL PARALLELOGRAMS



                                A trapezoid
                                 is neither
                               parallelogram,
                                 rectangle,
                                 rhombus,
                                   square.

A square is
a rectangle
Special Relationships
                          A rectangle,
                     rhombus, & square are
                     ALL PARALLELOGRAMS



                                A trapezoid
                                 is neither
                               parallelogram,
                                 rectangle,
                                 rhombus,
                                   square.

A square is
a rectangle
10-3 Quadrilaterals & Other Polygons

10-3 Quadrilaterals & Other Polygons