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Triangle
Level 1
Properties of Triangle - Part 1
Properties of Triangle - Part 2
Level 2
Pythagoras Theorem
Level 3
Altitudes and Medians of Triangle
Congruence of Triangles - Part 1
Congruence of Triangles - Part 2
Congruence of Triangles - Part 3
Level 4
Constructions of Triangles Part - 1
Constructions of Triangles Part - 2
Constructing the Incircle and Circumcircle of a Triangle
Isosceles triangle theorem
Interior and exterior angles of a triangle
Similarity of triangles Application
Tests of Congruence of Triangles
Trigonometry – Part 1
Trigonometry – Part 2
Level 5
Pythagoras Theorem - Apollonius theorem
Pythagoras Theorem - Properties of 30 60 90 and 45 45 90 triangle
Pythagoras Theorem - Converse proof and applications
Pythagoras Theorem - Pythagorean triplet
Pythagoras Theorem - Similarity and right-angled triangles
Level 6
Geometric Construction-Construction of Similar Triangles – Part 1
Geometric Construction-Construction of Similar Triangles – Part 2
Level 7
Similarity - Three parallel lines and their transversals
Similarity - Tests for similarity of triangles
Similarity - Converse of the Basic Proportionality Theorem and its Applications
Similarity - Ratio of areas of two triangles
Similarity - Construction of angle bisector, construction of perpendiculars on both arms
Similarity - Basic Proportionality theorem and its applications
Similarity - Areas of Similar Triangles Theorem and its applications
Similarity - Application of the tests for Similarity of Triangles
Similarity - Angle bisector theorem for triangles and its applications
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