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TRIANGLES
CLASSIFICATIONS, ANGLES AND MORE!! Different Types of Triangles
Different Types of Triangles There are several different types of triangles. You can classify a triangle by its sides and its angles.
There are THREE different classifications for triangles based on their sides.
There are FOUR different classifications for triangles based on their angles. Classifying Triangles by Their Sides
Classifying Triangles by Their Sides EQUILATERAL – 3 congruent sides ISOSCELES – at least two sides congruent EQUILATERAL ISOSCELES SCALENE – no sides congruent
SCALENE Classifying Triangles by Their Classifying Triangles by Their Angles EQUIANGULAR – all angles are congruent ACUTE – all angles are acute EQUIANGULAR RIGHT – one right angle ACUTE
RIGHT OBTUSE – one obtuse angle
OBTUSE Can You Classify the Different Can You Classify the Different Triangles in the Picture Below? Classify the following triangles: AED, ABC, ACD, ACE The Classifications…
The Classifications… Triangle AED = Equilateral, Equiangular
Triangle ABC = Equilateral, Equiangular
Triangle ACD = Isoceles, Obtuse
Triangle ACE = Scalene, Right
So how did you do? ...
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 Fall '08
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 Angles, Polygons, Hypotenuse, Equiangular

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