Changes

# To know about properties of triangle[http://www.mathopenref.com/triangle.html click here]

# To know about properties of triangle[http://www.mathopenref.com/triangle.html click here]

# To learn about angle sum property of the triangle[https://www.wyzant.com/resources/lessons/math/geometry/triangles/angles_of_triangles click here]

# To learn about angle sum property of the triangle[https://www.wyzant.com/resources/lessons/math/geometry/triangles/angles_of_triangles click here]

# Get your students to recognise, use and communicate formally with one another about triangles and their properties, using conventional terminology 'mathematical talk'. [http://www.tess-india.edu.in/sites/default/files/imported/57352/SM06_AIE_Final.pdf Click here]

# Get your students to recognise, use and communicate formally with one another about triangles and their properties, using conventional terminology, i.e., 'mathematical talk'. [http://www.tess-india.edu.in/sites/default/files/imported/57352/SM06_AIE_Final.pdf Click here]

==Reference Books==

==Reference Books==