Google Classroom
GeoGebraGeoGebra Classroom


  1. From the Graphics style bar, click the Grid icon to show the grid.
  2. Add a point A with coordinates (8, 3).
  3. Add a point B with coordinates (10, 5).
  4. Draw a line that passes through A and B.
  5. Draw a line that is perpendicular to line segment AB. This will create a point C.
  6. Draw a square with vertices D(5, 0), E(5, 5), F(0, 5), and G(0, 0).
  7. Change the color and the opacity of the square. The opacity is the extent to which the shape is see-through.
  8. Draw a circle with center (2, 2) and a radius of 1.