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Congruence
Introduction to congruence - definition of 'congruent'
Congruent Line Segments
Congruent Angles
Congruent Triangles
Congruent Triangles - introduction
The acronym CPCTC
Test for congruence - SSS (side side side)
Test for congruence - ASA (angle side angle)
Test for congruence - SAS (side angle side)
Test for congruence - AAS (angle angle side)
Test for congruence - HL (hypotenuse leg, of a right triangle)
Test for congruence - Why AAA doesn't work
Test for congruence - Why SSA doesn't work
Congruence of rotated triangles
Congruence of reflected triangles
Congruence of triangles with a common side
Congruent Polygons
Congruent Polygons - introduction (inc correspond parts)
Tests for polygon congruence
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