[color=#000000]The applet below will help you discover how to calculate the area of a trapezoid on your own.[br]For a much nicer (and cleaner) version of this applet, click [url=https://tube.geogebra.org/m/ZeDN7ZTW]here[/url]. [/color]

Questions are contained in the above applet. (Be sure to move the green slider all the way to the right!)