Friday, October 18, 2013

QuadrilateralConstruction

How to construct the special quadrilaterals using a compass (circle maker) and straightedge)
Anything done using GeoGebra can be done on paper by hand.

Below are links to videos showing construction steps :

Quadrilateral

Trapezoid

Parallelogram (1   2    3   4 )

Kite

Rectangle

Rhombus

Square (1   2

QuadrilateralPropertiesVideo

Sunday, October 13, 2013

TheQuadrilaterals

(cant use Chrome)
(if on mobile, scroll to bottom after clicking shape & click HTML5)

click on the shape
move a dot and watch numbers



Trapezoid                  Parallelogram                     Kite (2)