18 experiments

• Skew lines

• Surface and space diagonals of a cube

• Symmetry planes on the cube

• Surface and space diagonals of a rectangular parallelepiped

• Symmetry planes on the rectangular parallelepiped

• Surface and net of the rectangular parallelepiped

• Volume of the rectangular parallelepiped

• Right triangular prism

• Cavalieri’s principle

• Angle between line and plane (2 exp.)

• Intersection angle of 2 planes

• Straight square pyramid : Net / Heights / Angles / Volume

• Regular tetraedron

• Regular octaedron