Area of Circles
What is the area of a circle? Explore with the following applet.
Anthony Or, GeoGebra Institute of Hong Kong.
Area of a Trapezoid
In this worksheet you will investigate the area of a trapezoid
1) Move the slider and describe the final picture and how it relates to the trapezoid.[br][br]2) Does the relationship from question 1 apply to all trapezoids? (Move point B and the slider to help you)[br][br]3) Using the labels on the trapezoid to make a formula for the area of a trapezoid. (Relate it to a parallelogram)