Finding Area Formulas

I. Parallelograms. Use the applet below to find a formula for the area of a parallelogram.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)
GeoGebra Applet pictured above: ch10_area_parallelogram.ggb.

 

II. Triangles. Use the applet below to find a formula for the area of a triangle.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)
GeoGebra Applet pictured above: ch10_area_triangle.ggb.

 

III. Trapezoids. Use the applet below to find a formula for the area of a trapezoid.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)
GeoGebra Applet pictured above: ch10_area_trapezoid.ggb.

 

IV. Rhombuses. Use the applet below to find a formula for the area of a rhombus.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)
GeoGebra Applet pictured above: ch10_area_rhombus.ggb.

 

IV. Kites. Use the applet below to find a formula for the area of a kite.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)
GeoGebra Applet pictured above: ch10_area_kite.ggb.