Geometric Constructions

"Construction" in Geometry means to draw shapes, angles or lines accurately.

These constructions use only compass, straightedge (i.e. ruler) and a pencil.

This is the "pure" form of geometric construction - no numbers involved!

Learn these two first, they are used a lot:

  Line Bisector


http://www.mathsisfun.com/geometry/construct-linebisect.html

Angle Bisector

http://www.mathsisfun.com/geometry/construct-anglebisect.html