Algebra Skills Associated With Geometry Sketchpad

    There are only a few algebra skills that you should know before using 

Geometers Sketchpad.

1. You should know how to classify triangles & angles

  right triangle                           scalene isosceles triangle                              obtuse triangle

equilateral & equiangular               acute triangle

2. You should know how to measure a segment's length

    I suggest using a ruler to accomplish this task.

3. You should know how to find a circle's circumference & area

        the equation for a circle's area is:   p r²

        the equation for a circle's circumference is:  2 pr