Acute Triangle - All of the angles are under 90 degrees.
Right Triangle - One angle is 90 degrees
Obtuse Triangle - A triangle that has one angle greater than 90 degrees.
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Equilateral: 3 equal sides and 3 equal angles Isosceles: 2 equal sides and 2 equal angles Right angle: a 90 degree angle and 2 acute angles and sides that vary in length Obtuse: an obtuse angle and 2 acute angles and sides that vary in length Scalene: 3 acute angles and 3 different side lengths
equiangular triangle
All right angle triangles have a 90 degree angle and two acute angles and the 3 of them together add up to 180 degrees
All triangles have 3 sides and 3 interior angles that add up to 180 degrees:- Right angle triangle has a 90 degree angle and 2 acute angles Scalene triangle has 3 different acute angles Obtuse triangle has 1 obtuse angle and 2 different acute angles Isosceles triangle has 2 equal angles and a 3rd angle that all add up to 180 degrees Equilateral triangle has 3 equal 60 degree angles
No, never.