Woodwork

A carpenter wants to cut a cube by a plane going through three given points.
Draw the trace of the plane on the faces of the cube.
1) On the perspective view (=construct the nearby figure)
     Hint
2) directly on the faces of the cube, without any auxilliary paper.
     Hint

Details

The same carpenter now wants to cut some triangular rod (a prism) by a slant cut building an equilateral triangle.
Hint

Details

 

Home Arithmetic Geometric Misc Topics Scripts Games Exercices Mail Version Franšaise Previous topic Next topic