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All triangles have 3 sides and 3 interior angles that add up to 180 degrees and they are classed as follows:-
1 Scalene triangle has 3 acute angles of different sizes
2 Right angle triangle has a 90 degree angle and 2 acute angles
3 Obtuse triangle has an obtuse angle and 2 acute angles
4 Isosceles triangle has 2 equal angles plus another angle
5 Equilateral triangle has 3 equal 60 degee angles
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∙ 10y ago
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