TRI NGLES 2 ways to classify: By Sides By Angles 60 4” 4” 4” 60 60 45 6” 6” 90 45 4” 130 6” 4” 25 25 7”
TRI NGLES Equilateral CLASSIFYING BY THEIR SIDES All sides are the same length Equilateral 3” 3” 3”
TRI NGLES Isosceles CLASSIFYING BY THEIR SIDES Exactly 2 sides are the same length 4” 4” 3”
TRI NGLES Scalene CLASSIFYING BY THEIR SIDES No sides are the same length 4” 2” 5”
TRI NGLES Acute CLASSIFYING All angles are acute 60 60 60 BY THEIR ANGLES Acute All angles are acute 60 60 60
TRI NGLES Right CLASSIFYING 1 angle is a right angle 45 90 45 BY THEIR ANGLES 1 angle is a right angle Right 45 90 45
TRI NGLES Obtuse CLASSIFYING 1 angle is an obtuse angle 140 20 20 BY THEIR ANGLES 1 angle is an obtuse angle Obtuse 140 20 20
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How would you classify this triangle? 1. How would you classify this triangle?
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How would you classify this triangle? 2. How would you classify this triangle?
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How would you classify this triangle? 15. How would you classify this triangle?