**Locating a Product with Three Points and a Circle**

**DRAG FACTORS** A and B ← or → from **O** with your mouse.

**MOVE IMAGE** > Hold Shift and move the diagram on the screen with your mouse.

**ZOOM IMAGE** > Hold Shift and zoom in and out with your mouse wheel.

**ENTER FACTORS** > You can also enter factors into the A and B input boxes.

Reset the Applet to the default ℯ × - π by clicking the icon top right.

**NOTE:** The circle disappears when both factors are the same because a unique circle cannot be drawn from two points only.

Goto http://tube.geogebra.org/student/m639417 for another fun applet showing multiplication on the reals via similar triangles.