Geometry - GeoGebra
Interactive, free online geometry tool from GeoGebra: create triangles, circles, angles, transformations and much more!
Calculator Suite - GeoGebra
Interactive, free online calculator from GeoGebra: graph functions, plot data, drag sliders, create triangles, circles and much more!
draw circles – GeoGebra
Use the freehand shape tool to draw a few circles that pass through A and B. You may move the circles carefully after drawing. Use the mid-point tool…
Straightedge and Compass – GeoGebra
Compass is a V-shaped drawing tool with a sharp point on one arm and a pencil on another arm. The two arms are joined by a hinge so that the openings of the arms is adjustible.
Circle tool – GeoGebra
Circle toolConstruct a circle with a given axis containing a given point.
Circle with diameter – GeoGebra
1) Use the "Distance or Length" tool to find the length of the diameter, ED, of the circle 2) Use the "Distance or Length" tool to find the circumference of the circle (click anywhere on the circle) 3) Use …
Interactive Unit Circle – GeoGebra
A tool for exploring the angles and coordinates of the unit circle and the patterns among both.
Drawing Angles Game – GeoGebra
Draw angles as accurately as you can and improve your angle sense in this interactive game.
Sketching and Measuring Triangles – GeoGebra
On the applet below, use the toolbar to do the following: 1) Click on the "Point" button, and draw 3 points. 2) Click on the "Segment" button and make TWO segments, using the points you've drawn.
Using Circle and Intersect Tools: Ex. 2 - GeoGebra
In the GeoGebra applet below, 1) Select the CIRCLE WITH CENTER THROUGH POINT tool. Use this tool to plot a circle with center A that passes through B. 2) Keep this same tool selected.