AA Similiarty

This applet is for teachers. Feel free to supply the questions/explanations.




















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)

Triangle Angle Sum Proof

Move the vertices of the triangle and move sliders P and Q to the extreme right. What do you observe?




















This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com


Based on your observations, make a conjecture about the angle sum of a triangle.

There is a tutorial here on how to create the applet above.

Square of a Binomial

Move the slider and observe the relationships between the algebraic and geometric representation of the rectangles.





















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)


You can save the GeoGebra file using the File menu.

Four Leaf Petal

Move point B along the circumference of the circle. What do you observe? What shape is formed. Note: Click here to view step-by-step construction. 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) The length of the segment AF is always equal to the area of the inscribed rectangle. Guillermo Bautista, Created with GeoGebra