- Identify and classify different types of triangles based on side lengths and angle measures.
- Understand the properties of equilateral, isosceles, scalene, acute-angled, right-angled, and obtuse-angled triangles.
- Apply the triangle inequality theorem to determine the existence of a triangle from given side lengths.
- Calculate the third angle of a triangle when two angles are known.
- Construct triangles using given measurements and verify their properties.
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