Gemami Geometry

To construct a perpendicular bisector click here How to bisect an angle ((If you know two tangents to a circle, the centre must lie on...

This construction creates an ellipse shape made from the arcs of 4 circles. It is simply an approximation to an ellipse, sometimes used...

Another interesting construction challenge, whether you use pencil and a pair of compasses or geometric drawing software. Neat use of...

Another neat construction, easier to complete with a pair of compasses and a ruler, but this picture was created on cabri geometry and...

Inscribing four semi circles that touch each other inside a circle. The method can be extrapolated to any number of semi circles. Divide...