Unit 21. Geometry (Triangles)


  • Identify and use angle, side and symmetry properties of triangles and quadrilaterals 
  • Explore geometrical problems involving these properties
  • Know that a pair of complementary angles has a sum of 90° and a pair of supplementary angles has a sum of 180°
  • Understand and use the terms corresponding angles and alternate angles

(5 activities)



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