Three-dimensional Trigonometry


trigonometry can be applied to solid, three-dimensional shapes such as cuboids, pyramids and triangular prisms.

Key Skills

  • name parts of solids such as edges and planes.
  • find the lengths of lines in solids such as pyramids and prisms.
  • find the size of angles in such solids.
  • name the angles between lines and planes in solids.


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