Simon Fraser University8 年
More on Triangles: Lesson Two
Properties of symmetry: - Students may notice symmetry in the isosceles and equilateral triangles and non-symmetry in the scalene triangle. Informal recognition of these properties may be helpful in ...
Simon Fraser University8 年
More on Triangles: Lesson One
Properties of symmetry: - Students may notice symmetry in the isosceles and equilateral triangles and non-symmetry in the scalene triangles Informal recognition of these properties may be helpful in ...
BBC1 年
Properties of triangles
Understanding different types of angles and that angles in a triangle sum to 180° can be helpful when classifying a triangle. Recognising line symmetry and rotational symmetry will also help.